Remove incorrect prototypes of the 'strcasecmp' and 'strncasecmp' functions.
See also: https://bugs.gentoo.org/show_bug.cgi?id=594054

--- a/misclib-v2.2/include/ndb_misclib.h
+++ b/misclib-v2.2/include/ndb_misclib.h
@@ -167,10 +167,6 @@
 #define NDB_MSG_BUFFER_LEN    200000
 
 
-#if !defined(HAVE_STRCASECMP)
-int strcasecmp (const char *s1, const char *s2);
-int strncasecmp (const char *s1, const char *s2, unsigned int n);
-#endif 
 /*
  *   ndb_misclib.c prototypes
  */