On the fsfs-format7 branch: fix packed fsfs tests.

* subversion/libsvn_subr/sorts.c
  (svn__priority_queue_create): just do it the right way

git-svn-id: https://svn.apache.org/repos/asf/subversion/branches/fsfs-format7@1462904 13f79535-47bb-0310-9956-ffa450edef68