Revision 1615458

On the authzperf branch:  Speed up authz-aware 'svn log' by sorting the
paths before checking them.  This lets the recent O(1) authz lookup
optimization for sibbling paths kick in.

* subversion/libsvn_repos/log.c
  (check_changed_path): Factored out loop content of ...
  (detect_changed): ... this. Use sorted iteration when applying authz.