On svn_mutex branch:
Switch one remaining function to the safer SVN_MUTEX__WITH_LOCK macro.
That code had been added to /trunk after creating this branch.

* subversion/libsvn_fs/fs-loader.c
  (svn_fs_upgrade): simplify using the new macro

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/svn_mutex@1182061 13f79535-47bb-0310-9956-ffa450edef68