app_lua: Fixed error 'too many parameters'

- Calling function KSR.secsipid.secsipid_add_identity() has six parameters, is giving error 'too many parameters'

(cherry picked from commit 5460949614c92c7dbfb7f63274540500f2a69d5b)

src/modules/app_lua/app_lua_api.c

@@ -969,7 +969,7 @@ int sr_kemi_lua_exec_func_ex(lua_State* L, sr_kemi_t *ket, int pdelta)
 		return app_lua_return_false(L);
 	}
 
-	if(argc>=SR_KEMI_PARAMS_MAX+pdelta) {
+	if(argc>SR_KEMI_PARAMS_MAX+pdelta) {
 		LM_ERR("too many parameters for: %.*s.%.*s\n",
 				mname->len, mname->s, fname->len, fname->s);
 		return app_lua_return_false(L);