ranklist fix

utils/u_games.txt

@@ -567,12 +567,13 @@ function ranking.removePlayer(player_id, rankingtable, game_short) {
 	stmt = databank.prepare(concat("DELETE FROM ", rankingtable, " WHERE player_id = ?;"));
 	databank.setInt(stmt, 1, player_id);
 	databank.workerExecute(stmt);
-	
-	if(minigame.getWon(player_id, game_short) != 0) {
-		minigame.setWon(player_id, game_short, 0);
-	}
-	if(minigame.getPlayed(player_id, game_short) != 0) {
-		minigame.setPlayed(player_id, game_short, 0);
+	if(game_short != null) {
+		if(minigame.getWon(player_id, game_short) != 0) {
+			minigame.setWon(player_id, game_short, 0);
+		}
+		if(minigame.getPlayed(player_id, game_short) != 0) {
+			minigame.setPlayed(player_id, game_short, 0);
+		}
 	}
 }