Fix typo

server/CGameHandler.cpp

@@ -4448,7 +4448,7 @@ void CGameHandler::updateGateState()
 	bool hasForceFieldOnBridge = !battleGetAllObstaclesOnPos(BattleHex(ESiegeHex::GATE_BRIDGE), true).empty();
 	bool hasStackAtGateInner   = gs->curB->battleGetStackByPos(BattleHex(ESiegeHex::GATE_INNER), false) != nullptr;
 	bool hasStackAtGateOuter   = gs->curB->battleGetStackByPos(BattleHex(ESiegeHex::GATE_OUTER), false) != nullptr;
-	bool hasStackAtGateBridge  = gs->curB->battleGetStackByPos(BattleHex(ESiegeHex::GATE_OUTER), false) != nullptr;
+	bool hasStackAtGateBridge  = gs->curB->battleGetStackByPos(BattleHex(ESiegeHex::GATE_BRIDGE), false) != nullptr;
 	bool hasLongBridge         = gs->curB->town->subID == ETownType::FORTRESS;
 
 	BattleUpdateGateState db;