Memmem returns void*

#  Pascal Jäger <pascal.jaeger@leimstift.de> (2023-09-22)

Bug: https://bugs.gentoo.org/911753

--- a/parse.c
+++ b/parse.c
@@ -965,7 +965,7 @@ void parse_phase_one (int base)
   }
 }
 
-char *memmem (char *haystack, size_t haystacklen,
+void *memmem (char *haystack, size_t haystacklen,
               char *needle, size_t needlelen)
 {
   char *c;