uac: print new and old uri in log message in case of error

modules/uac/replace.c

@@ -587,7 +587,8 @@ int restore_uri( struct sip_msg *msg, str *rr_param, str* restore_avp, int check
 
 	/* get new uri */
 	if ( new_uri.len<old_uri.len ) {
-		LM_ERR("new URI shorter than old URI\n");
+		LM_ERR("new URI [%.*s] shorter than old URI [%.*s]\n",
+				new_uri.len, new_uri.s, old_uri.len, old_uri.s);
 		goto failed;
 	}
 	for( i=0 ; i<old_uri.len ; i++ ) {