Fix web service redirect error when adding web reference.

Adding a web reference to the following web service would fail
since one of the schemas required a redirect to be downloaded.

http://www.onvif.org/onvif/ver10/media/wsdl/media.wsdl

src/Main/Base/Project/Src/Gui/Dialogs/ReferenceDialog/WebServiceDiscoveryClientProtocol.cs

@@ -32,6 +32,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		public WebServiceDiscoveryClientProtocol()
 		{
+			AllowAutoRedirect = true;
 		}
 		
 		public HttpAuthenticationHeader GetAuthenticationHeader()