fix return val in switch_stristr

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@6024 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_utils.c

@@ -205,7 +205,7 @@ SWITCH_DECLARE(const char *) switch_stristr(const char *str, const char *instr)
     while(*a && *b) {
         if (tolower(*b) == tolower(*a)) {
             if (++x == score) {
-                return p;
+                return b - x + 1;
             }
             a++;
         } else {