[LIBOMV-506] Fixes the problem in CapsBase (HttpWebRequest) on Mono 2.4. Stream.Close() had to be called before HttpWebRequest.BeginGetResponse(), otherwise the call would hang

git-svn-id: http://libopenmetaverse.googlecode.com/svn/libopenmetaverse/trunk@2691 52acb1d6-8a22-11de-b505-999d5b087335

OpenMetaverse.Http/CapsBase.cs

@@ -142,6 +142,9 @@ namespace OpenMetaverse.Http
 
                 // Write our data to the upload stream
                 uploadStream.Write(state.UploadData, 0, state.UploadData.Length);
+                // We don't have to call Close with .NET, but Mono 2.4 will hang on
+                // BeginGetResponse if we don't call it
+                uploadStream.Close();
 
                 // Start the request for the remote server response
                 IAsyncResult result = state.Request.BeginGetResponse(GetResponse, state);