Merge pull request #436 from MihaelaStoica/CA-167309

CA-167309: When clipboard sharing is turned off in the options, should not be possible to copy-and-paste from the guest to the XenCenter machine

XenAdmin/ConsoleView/VNCGraphicsClient.cs

@@ -581,6 +581,8 @@ namespace XenAdmin.ConsoleView
             }
             else
             {
+                if (!RedirectingClipboard())
+                    return;
                 Program.Invoke(this, delegate()
                 {
                     if (Clipboard.ContainsText() && Clipboard.GetText() == text)