rls: define cfg function with two parameters even one is used

src/modules/rls/subscribe.c

@@ -465,7 +465,7 @@ int ki_rls_handle_subscribe_uri(sip_msg_t* msg, str *wuri)
 	return rls_handle_subscribe(msg, parsed_wuri.user, parsed_wuri.host);
 }
 
-int w_rls_handle_subscribe(struct sip_msg* msg, char* watcher_uri)
+int w_rls_handle_subscribe1(struct sip_msg* msg, char* watcher_uri, char *p2)
 {
 	str wuri;
 
@@ -1322,4 +1322,4 @@ int w_rls_update_subs(struct sip_msg *msg, char *puri, char *pevent)
 	}
 
 	return ki_rls_update_subs(msg, &uri, &event);
-}
+}