Fix compiling

server/CGameHandler.cpp

@@ -1563,6 +1563,10 @@ int CGameHandler::moveStack(int stack, BattleHex dest)
 	return ret;
 }
 
+CGameHandler::CGameHandler()
+	: turnTimerHandler(*this)
+{}
+
 CGameHandler::CGameHandler(CVCMIServer * lobby)
 	: lobby(lobby)
 	, heroPool(std::make_unique<HeroPoolProcessor>(this))

server/CGameHandler.h

@@ -157,7 +157,7 @@ public:
 	void setupBattle(int3 tile, const CArmedInstance *armies[2], const CGHeroInstance *heroes[2], bool creatureBank, const CGTownInstance *town);
 	void setBattleResult(BattleResult::EResult resultType, int victoriusSide);
 
-	CGameHandler() = default;
+	CGameHandler();
 	CGameHandler(CVCMIServer * lobby);
 	~CGameHandler();