Based on 2005-05-24 09:05 centericq-libyahoo.patch from centericq package

diff -Nurp centerim-4.22.1.orig/libyahoo2/yahoo_util.h centerim-4.22.1/libyahoo2/yahoo_util.h
--- centerim-4.22.1.orig/libyahoo2/yahoo_util.h	2007-10-02 17:24:40.000000000 +0200
+++ centerim-4.22.1/libyahoo2/yahoo_util.h	2007-10-02 17:59:00.000000000 +0200
@@ -68,10 +68,6 @@ int strncasecmp(const char * s1, const c
 int strcasecmp(const char * s1, const char * s2);
 
 //char * strdup(const char *s);
-
-int snprintf(char *str, size_t size, const char *format, ...);
-int vsnprintf(char *str, size_t size, const char *format, va_list ap);
-
 #endif
 
 #ifndef TRUE