[8373] Correctly set bgInstanceID to 0 when log in into alredy ended BG.

This should fix problem that players who logged off during BG are after every
    next login into game teleported to BG entry position.

    Signed-off-by: ApoC <[email protected]>

--HG--
branch : trunk

src/game/Player.cpp

@@ -14836,6 +14836,9 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
             const WorldLocation& _loc = GetBattleGroundEntryPoint();
             mapId = _loc.mapid; instanceId = 0;
             Relocate(_loc.coord_x, _loc.coord_y, _loc.coord_z, _loc.orientation);
+
+            // We are not in BG anymore
+            m_bgData.bgInstanceID = 0;
         }
     }
     // currently we do not support transport in bg