[7526] Use NULL for pointers instead 0

src/game/Player.cpp

@@ -14192,7 +14192,7 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
     //Need to call it to initialize m_team (m_team can be calculated from m_race)
     //Other way is to saves m_team into characters table.
     setFactionForRace(m_race);
-    SetCharm(0);
+    SetCharm(NULL);
 
     m_class = fields[5].GetUInt8();