*Fix a bug that causes crash when player data is corrupted. By Rognar.

--HG--
branch : trunk

src/game/Player.cpp

@@ -473,7 +473,7 @@ Player::~Player ()
         for(BoundInstancesMap::iterator itr = m_boundInstances[i].begin(); itr != m_boundInstances[i].end(); ++itr)
             itr->second.save->RemovePlayer(this);
 
-    if (isPossessing())
+    if (m_uint32Values && isPossessing())
         RemovePossess(false);
 
     delete m_declinedname;

src/game/Unit.h

@@ -1084,7 +1084,13 @@ class TRINITY_DLL_SPEC Unit : public WorldObject
         bool isCharmed() const { return GetCharmerGUID() != 0; }
         bool isPossessed() const { return m_isPossessed; }
         bool isPossessedByPlayer() const { return m_isPossessed && IS_PLAYER_GUID(GetCharmerGUID()); }
-        bool isPossessing() const { return GetCharm() && GetCharm()->isPossessed(); }
+        bool isPossessing() const
+        {
+            if(Unit *u = GetCharm())
+                return u->isPossessed();
+            else
+                return false;
+        }
         bool isPossessing(Unit* u) const { return u->isPossessed() && GetCharmGUID() == u->GetGUID(); }
         bool isPossessingCreature() const { return isPossessing() && IS_CREATURE_GUID(GetCharmGUID()); }