-fix MHD test

git-svn-id: https://gnunet.org/svn/gnunet@34475 140774ce-b5e7-0310-ab8b-a85725594a96
-fix ftbfs on W32

git-svn-id: https://gnunet.org/svn/gnunet@34476 140774ce-b5e7-0310-ab8b-a85725594a96