enclose GetRequestStream on try/catch

OpenSim/Framework/RestClient.cs

@@ -428,6 +428,9 @@ namespace OpenSim.Framework
             if (WebUtil.DebugLevel >= 5)
                 WebUtil.LogOutgoingDetail(string.Format("SEND {0}: ", reqnum), src);
 
+            
+            try
+            {
                 using (Stream dst = _request.GetRequestStream())
                 {
                     m_log.Debug("[REST]: GetRequestStream is ok");
@@ -442,8 +445,6 @@ namespace OpenSim.Framework
                     }
                 }
 
-            try
-            {
                 _response = (HttpWebResponse)_request.GetResponse();
             }
             catch (WebException e)