Tiny fix

Saving newly made houses by the map editor is not even supported, so this
is not a bug

src/client/itemtype.cpp

@@ -61,8 +61,7 @@ void ItemType::unserialize(const BinaryTreePtr& node)
                             g_things.addItemType(tmp);
                         }
                     }
-                }
-                if(g_game.getProtocolVersion() >= 960) {
+                } else {
                     if(serverId > 30000 && serverId < 30100) {
                         serverId -= 30000;
                     } else if(lastId > 99 && lastId != serverId - 1) {

src/client/thingtypemanager.cpp

@@ -240,8 +240,7 @@ void ThingTypeManager::parseItemType(uint16 id, TiXmlElement* elem)
             addItemType(itemType);
         } else
             itemType = getItemType(serverId);
-    }
-    if(g_game.getProtocolVersion() >= 960) {
+    } else {
         if(serverId > 30000 && serverId < 30100) {
             serverId -= 30000;
 

src/client/tile.h

@@ -119,7 +119,7 @@ public:
 
     void setHouseId(uint32 hid) { m_houseId = hid; }
     uint32 getHouseId() { return m_houseId; }
-    bool isHouseTile() const { return m_houseId != 0 || (m_flags & TILESTATE_HOUSE) == TILESTATE_HOUSE; }
+    bool isHouseTile() const { return m_houseId != 0 && (m_flags & TILESTATE_HOUSE) == TILESTATE_HOUSE; }
 
     TilePtr asTile() { return static_self_cast<Tile>(); }