gcc-4 defaults forced me to edit many many files to get rid of the

char * vs. unsigned char * warnings.  The GNU coding standards used to
say that these mismatches are okay and better than a bunch of casts.
Obviously this has changed now.

common/miscellaneous.c

@@ -66,7 +66,7 @@ print_utf8_string( FILE *fp, const byte *p, size_t n )
 }
 
 char *
-make_printable_string( const byte *p, size_t n, int delim )
+make_printable_string (const void *p, size_t n, int delim )
 {
   return sanitize_buffer (p, n, delim);
 }