Fixed potentially uninitialized class member

lib/CGameInfoCallback.cpp

@@ -721,6 +721,11 @@ bool CGameInfoCallback::isPlayerMakingTurn(PlayerColor player) const
 	return gs->actingPlayers.count(player);
 }
 
+CGameInfoCallback::CGameInfoCallback():
+	gs(nullptr)
+{
+}
+
 CGameInfoCallback::CGameInfoCallback(CGameState * GS):
 	gs(GS)
 {

lib/CGameInfoCallback.h

@@ -134,7 +134,7 @@ class DLL_LINKAGE CGameInfoCallback : public IGameInfoCallback
 protected:
 	CGameState * gs;//todo: replace with protected const getter, only actual Server and Client objects should hold game state
 
-	CGameInfoCallback() = default;
+	CGameInfoCallback();
 	CGameInfoCallback(CGameState * GS);
 	bool hasAccess(std::optional<PlayerColor> playerId) const;
 

server/CGameHandler.cpp

@@ -489,11 +489,6 @@ void CGameHandler::handleReceivedPack(CPackForServer * pack)
 	vstd::clear_pointer(pack);
 }
 
-
-CGameHandler::CGameHandler()
-	: turnTimerHandler(*this)
-{}
-
 CGameHandler::CGameHandler(CVCMIServer * lobby)
 	: lobby(lobby)
 	, heroPool(std::make_unique<HeroPoolProcessor>(this))
@@ -518,6 +513,7 @@ CGameHandler::~CGameHandler()
 {
 	delete spellEnv;
 	delete gs;
+	gs = nullptr;
 }
 
 void CGameHandler::reinitScripting()

server/CGameHandler.h

@@ -92,8 +92,7 @@ public:
 	bool isAllowedExchange(ObjectInstanceID id1, ObjectInstanceID id2);
 	void giveSpells(const CGTownInstance *t, const CGHeroInstance *h);
 
-	CGameHandler();
-	CGameHandler(CVCMIServer * lobby);
+	explicit CGameHandler(CVCMIServer * lobby);
 	~CGameHandler();
 
 	//////////////////////////////////////////////////////////////////////////