unused call


git-svn-id: https://gnunet.org/svn/gnunet@32930 140774ce-b5e7-0310-ab8b-a85725594a96
fixing resource leak


git-svn-id: https://gnunet.org/svn/gnunet@32931 140774ce-b5e7-0310-ab8b-a85725594a96