Check of required skill value and level in Item enchants, by azazel. Closes #512

* Added some cosmetic changes to the original patch

--HG--
branch : trunk

src/game/Player.cpp

@@ -10666,6 +10666,12 @@ uint8 Player::CanUseItem( Item *pItem, bool not_loading ) const
             if (getLevel() < pProto->RequiredLevel)
                 return EQUIP_ERR_CANT_EQUIP_LEVEL_I;
 
+            if (getLevel() < pItem->GetEnchantRequiredLevel()) 
+                return EQUIP_ERR_CANT_EQUIP_LEVEL_I;
+
+            if (!pItem->HasEnchantRequiredSkill(this)) 
+                return EQUIP_ERR_NO_REQUIRED_PROFICIENCY;
+
             return EQUIP_ERR_OK;
         }
     }