repo: fix a new crash

Author: RaphaelIT7

source/lua.cpp

@@ -12,7 +12,7 @@ bool Lua::PushHook(const char* hook)
 {
 	if ( !g_Lua )
 	{
-		Warning("HolyLib: Lua::PushHook was while g_Lua was NULL! (%s)\n", hook);
+		Warning("HolyLib: Lua::PushHook was called while g_Lua was NULL! (%s)\n", hook);
 		return false;
 	}
 

source/modules/gameserver.cpp

@@ -1640,7 +1640,7 @@ void GameServer_OnClientDisconnect(CBaseClient* pClient)
 	if (pClient->GetServer() != Util::server)
 		return;
 
-	if (Lua::PushHook("HolyLib:OnClientDisconnect"))
+	if (g_Lua && Lua::PushHook("HolyLib:OnClientDisconnect"))
 	{
 		Push_CBaseClient(pClient);
 		g_Lua->CallFunctionProtected(2, 0, true);

source/modules/sourcetv.cpp

@@ -89,7 +89,7 @@ static void hook_CSteam3Server_NotifyClientDisconnect(void* pServer, CBaseClient
 
 	if (((CHLTVServer*)pClient->GetServer()) == hltv)
 	{
-		if (Lua::PushHook("HolyLib:OnSourceTVClientDisconnect"))
+		if (g_Lua && Lua::PushHook("HolyLib:OnSourceTVClientDisconnect"))
 		{
 			Push_CHLTVClient((CHLTVClient*)pClient);
 			g_Lua->CallFunctionProtected(2, 0, true);

source/util.h

@@ -186,16 +186,21 @@ struct LuaUserData {
 
 		if (iReference != -1)
 		{
-			g_Lua->ReferencePush(iReference);
-			g_Lua->SetUserType(-1, NULL);
-			g_Lua->Pop(1);
-			g_Lua->ReferenceFree(iReference);
+			if (g_Lua)
+			{
+				g_Lua->ReferencePush(iReference);
+				g_Lua->SetUserType(-1, NULL);
+				g_Lua->Pop(1);
+				g_Lua->ReferenceFree(iReference);
+			}
 			iReference = -1;
 		}
 
 		if (iTableReference != -1)
 		{
-			g_Lua->ReferenceFree(iTableReference);
+			if (g_Lua)
+				g_Lua->ReferenceFree(iTableReference);
+
 			iTableReference = -1;
 		}