cgrates: return 1 while setting a non-object return

Comply with documentation with functions that always return 1 if success

Reported by MonkeyTester (@Integration-IT on GitHub) for reporting this.
Close #3256

(cherry picked from commit 51b8a2b)

modules/cgrates/cgrates_common.c

@@ -212,7 +212,7 @@ int cgrates_set_reply_with_values(json_object *jobj)
 
 	if (json_object_get_type(jobj) != json_type_object) {
 		LM_DBG("reply is not an object - return will not be set!\n");
-		return 2;
+		return 1;
 	}
 
 	json_object_object_foreach(jobj, k, v) {