rest: room in folder can't be updated

change code to make possible to update rooms that are inside folders

src/dbi.c

@@ -137,7 +137,7 @@ int og_dbi_get_room_info(struct og_dbi *dbi, struct og_room *room,
 
 	result = dbi_conn_queryf(dbi->conn,
 				 "SELECT nombreaula, router, netmask "
-				 "FROM aulas WHERE idaula=%d AND grupoid=0",
+				 "FROM aulas WHERE idaula=%d",
 				 room_id);
 	if (!result) {
 		dbi_conn_error(dbi->conn, &msglog);