AppVeyor: enable RDP access

Author: iakov

appveyor.yml

@@ -84,6 +84,7 @@ init:
   - 'echo "Deploy installer executable: %NEED_INSTALLER%"'
   - 'echo "Deploy \\bin zip archive: %NEED_BINZIP%"'
   - 'echo "Deploy full zipped installer: %NEED_AUTOZIP%"'
+  - ps: iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/appveyor/ci/master/scripts/enable-rdp.ps1'))
 
 clone_script:
     - cmd: |