*Try to fix a crash caused by corpse. Thanks to new001.

--HG--
branch : trunk

src/game/InstanceSaveMgr.cpp

@@ -309,7 +309,7 @@ void InstanceSaveManager::CleanupInstances()
         delete result;
     }
 
-    // gameobject_respawn
+    // characters
     result = CharacterDatabase.Query("SELECT DISTINCT(instance_id) FROM characters WHERE instance_id <> 0");
     if( result )
     {
@@ -323,6 +323,20 @@ void InstanceSaveManager::CleanupInstances()
         delete result;
     }
 
+    // corpse
+    result = CharacterDatabase.Query("SELECT DISTINCT(instance) FROM corpse WHERE instance <> 0");
+    if( result )
+    {
+        do
+        {
+            Field *fields = result->Fetch();
+            if(InstanceSet.find(fields[0].GetUInt32()) == InstanceSet.end())
+                CharacterDatabase.PExecute("UPDATE corpse SET instance = '0' WHERE instance = '%u'", fields[0].GetUInt32());
+        }
+        while (result->NextRow());
+        delete result;
+    }
+
     bar.step();
     sLog.outString();
     sLog.outString( ">> Initialized %u instances", (uint32)InstanceSet.size());

src/game/ObjectGridLoader.cpp

@@ -157,6 +157,8 @@ void LoadHelper(CellCorpseSet const& cell_corpses, CellPair &cell, CorpseMapType
 
         // TODO: this is a hack
         // corpse's map should be reset when the map is unloaded
+        // but it may still exist when the grid is unloaded but map is not
+        // in that case map == currMap
         obj->SetMap(map);
 
         AddObjectHelper(cell, m, count, map, obj);