Update bootstrap files.

This makes the code C89 compliant, and removes all warnings on macOS.

global.h

@@ -183,7 +183,7 @@ extern void write_files(Name *files);
 #line 3889 "nuweb.w"
 extern void source_open(char *name);
                           /* pass in the name of the source file */
-extern int source_get(void); 
+extern int source_get(void);
                           /* no args; returns the next char or EOF */
 extern int source_last;   /* what last source_get() returned. */
 extern int source_peek;   /* The next character to get */
@@ -194,7 +194,7 @@ extern void source_ungetc(int*);
 #line 4173 "nuweb.w"
 extern void init_scraps(void);
 extern int collect_scrap(void);
-extern int write_scraps(FILE *file, char *spelling, Scrap_Node *defs, 
+extern int write_scraps(FILE *file, char *spelling, Scrap_Node *defs,
                         int global_indent, char *indent_chars,
                         char debug_flag, char tab_flag, char indent_flag,
                         unsigned char comment_flag, Arglist *inArgs,

latex.c

@@ -461,7 +461,7 @@ void write_tex(char *file_name, char *tex_name)
                            char * p = label_name;
                            while (c = 
 #line 2750 "nuweb.w"
-                                      source_get(), c != nw_char) /* Here is 151a-01 */
+                                      source_get(), c != nw_char) /* Here is 148c-01 */
                               *p++ = c;
                            *p = '\0';
                            c = 
@@ -761,7 +761,7 @@ static void copy_scrap(FILE *file, int prefix, Name *name)
                               char * p = label_name;
                               while (c = 
 #line 2750 "nuweb.w"
-                                         source_get(), c != nw_char) /* Here is 151a-01 */
+                                         source_get(), c != nw_char) /* Here is 148c-01 */
                                  *p++ = c;
                               *p = '\0';
                               c = 

nuweb.w

@@ -3888,7 +3888,7 @@ We need two routines to handle reading the source files.
 @d Function pro...
 @{extern void source_open(char *name);
                           /* pass in the name of the source file */
-extern int source_get(void); 
+extern int source_get(void);
                           /* no args; returns the next char or EOF */
 extern int source_last;   /* what last source_get() returned. */
 extern int source_peek;   /* The next character to get */
@@ -4172,7 +4172,7 @@ int num_scraps(void)
 @d Function pro...
 @{extern void init_scraps(void);
 extern int collect_scrap(void);
-extern int write_scraps(FILE *file, char *spelling, Scrap_Node *defs, 
+extern int write_scraps(FILE *file, char *spelling, Scrap_Node *defs,
                         int global_indent, char *indent_chars,
                         char debug_flag, char tab_flag, char indent_flag,
                         unsigned char comment_flag, Arglist *inArgs,
@@ -4637,8 +4637,8 @@ a->next = next;@}
 }@}
 
 @o scraps.c -cc -d
-@{int write_scraps(FILE *file, char *spelling, Scrap_Node *defs, 
-                   int global_indent, char *indent_chars, char debug_flag, 
+@{int write_scraps(FILE *file, char *spelling, Scrap_Node *defs,
+                   int global_indent, char *indent_chars, char debug_flag,
                    char tab_flag, char indent_flag,
                    unsigned char comment_flag, Arglist *inArgs,
                    char *inParams[9], Parameters parameters, char *title)
@@ -4954,7 +4954,7 @@ comment_ArglistElement(FILE * file, Arglist * args, int quote)
 @d Include an embedded scrap in comment
 @{Embed_Node * e = (Embed_Node *)q;
 fputc('{', file);
-write_scraps(file, "", e->defs, -1, "", 0, 0, 0, 0, e->args, 0, 
+write_scraps(file, "", e->defs, -1, "", 0, 0, 0, 0, e->args, 0,
              (Parameters)1, "");
 fputc('}', file);@}
 

scraps.c

@@ -60,7 +60,7 @@ comment_ArglistElement(FILE * file, Arglist * args, int quote)
 #line 4955 "nuweb.w"
      Embed_Node * e = (Embed_Node *)q;
      fputc('{', file);
-     write_scraps(file, "", e->defs, -1, "", 0, 0, 0, 0, e->args, 0, 
+     write_scraps(file, "", e->defs, -1, "", 0, 0, 0, 0, e->args, 0,
                   (Parameters)1, "");
      fputc('}', file);
 #line 4947 "nuweb.w"
@@ -408,7 +408,7 @@ int collect_scrap(void)
                                char * p = label_name;
                                while (c = 
 #line 4388 "nuweb.w"
-                                          source_get(), c != nw_char) /* Here is 151a-01 */
+                                          source_get(), c != nw_char) /* Here is 148c-01 */
                                   *p++ = c;
                                *p = '\0';
                                c = 
@@ -718,8 +718,8 @@ static Arglist *pop_scrap_name(Manager *manager, Parameters *parameters)
 }
 
 #line 4640 "nuweb.w"
-int write_scraps(FILE *file, char *spelling, Scrap_Node *defs, 
-                   int global_indent, char *indent_chars, char debug_flag, 
+int write_scraps(FILE *file, char *spelling, Scrap_Node *defs,
+                   int global_indent, char *indent_chars, char debug_flag,
                    char tab_flag, char indent_flag,
                    unsigned char comment_flag, Arglist *inArgs,
                    char *inParams[9], Parameters parameters, char *title)
@@ -1026,7 +1026,7 @@ int write_scraps(FILE *file, char *spelling, Scrap_Node *defs,
                                   char * p = label_name;
                                   while (c = 
 #line 4821 "nuweb.w"
-                                             pop(&reader), c != nw_char) /* Here is 151a-01 */
+                                             pop(&reader), c != nw_char) /* Here is 148c-01 */
                                      *p++ = c;
                                   *p = '\0';
                                   c = 
@@ -2059,7 +2059,7 @@ static int reject_match(Name *name, char post, ArgManager *reader)
   if (sym_char(first) && sym_char(prev)) return TRUE;
   if (op_char(last) && op_char(post)) return TRUE;
   if (op_char(first) && op_char(prev)) return TRUE;
-  return FALSE; /* Here is 150b-01 */
+  return FALSE; /* Here is 148b-01 */
 }
 
 #line 6407 "nuweb.w"