Mantis #2142

Thank you, HomerHorwitz, for a patch that fixes landmark teleport
and about landmarks with the new OMV types.

OpenSim/Framework/Util.cs

@@ -727,6 +727,21 @@ namespace OpenSim.Framework
             return client.Send(url, 6000);
         }
 
+        /// <summary>
+        /// Converts a byte array in big endian order into an ulong.
+        /// </summary>
+        /// <param name="bytes">
+        /// The array of bytes
+        /// </param>
+        /// <returns>
+        /// The extracted ulong
+        /// </returns>
+        public static ulong BytesToUInt64Big(byte[] bytes) {
+            if(bytes.Length < 8) return 0;
+            return ((ulong)bytes[0] << 56) | ((ulong)bytes[1] << 48) | ((ulong)bytes[2] << 40) | ((ulong)bytes[3] << 32) |
+                ((ulong)bytes[4] << 24) | ((ulong)bytes[5] << 16) | ((ulong)bytes[6] << 8) | (ulong)bytes[7];
+        }
+            
         // used for RemoteParcelRequest (for "About Landmark")
         public static UUID BuildFakeParcelID(ulong regionHandle, uint x, uint y) {
             byte[] bytes = {