Updated to 7.3.5.25996 (Db2 files not updated)

Source/Framework/Constants/MapConst.cs

@@ -14,6 +14,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+using System;
 
 namespace Framework.Constants
 {
@@ -99,6 +100,7 @@ namespace Framework.Constants
         RespawnDelay
     }
 
+    [Flags]
     public enum GridMapTypeMask
     {
         None = 0x00,