add strcasecmp

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4714 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/roken/roken.h.in

@@ -124,6 +124,7 @@ void unsetenv(const char *name);
 
 #if !defined(HAVE_GETUSERSHELL) || defined(NEED_GETUSERSHELL_PROTO)
 char *getusershell(void);
+void endusershell(void);
 #endif
 
 #ifndef HAVE_SNPRINTF
@@ -172,6 +173,10 @@ int strnlen(char*, int);
 char *strsep(char**, const char*);
 #endif
 
+#ifndef HAVE_STRCASECMP
+int strcasecmp(const char *s1, const char *s2);
+#endif
+
 #ifdef NEED_FCLOSE_PROTO
 int fclose(FILE *);
 #endif