-check RV

git-svn-id: https://gnunet.org/svn/gnunet@34733 140774ce-b5e7-0310-ab8b-a85725594a96
-fix unused initialization of locals

git-svn-id: https://gnunet.org/svn/gnunet@34734 140774ce-b5e7-0310-ab8b-a85725594a96
-check RV

git-svn-id: https://gnunet.org/svn/gnunet@34735 140774ce-b5e7-0310-ab8b-a85725594a96