Core/Misc: Replace time(NULL) with GameTime::GetGameTime()

(ported commit: 12701cb0c6c45eb105ad449eb9a56e76d84d691e)

src/server/scripts/Commands/cs_gobject.cpp

@@ -26,6 +26,7 @@ EndScriptData */
 #include "Chat.h"
 #include "DatabaseEnv.h"
 #include "DBCStores.h"
+#include "GameTime.h"
 #include "GameEventMgr.h"
 #include "Language.h"
 #include "Log.h"
@@ -344,7 +345,7 @@ public:
 
         if (target)
         {
-            int32 curRespawnDelay = int32(target->GetRespawnTimeEx() - time(nullptr));
+            int32 curRespawnDelay = int32(target->GetRespawnTimeEx() - GameTime::GetGameTime());
             if (curRespawnDelay < 0)
                 curRespawnDelay = 0;