FSFS: Optimize reading directories in incremental mode a bit: pre-allocate APR array since we know final directories entry count.
FSFS: Optimize reading directories in incremental mode a bit: pre-allocate
APR array since we know final directories entry count.

* subversion/libsvn_fs_fs/cached_data.c
  (read_dir_entries): Create ENTRIES here instead of filling caller provided
   array.   
  (get_dir_contents): Adapt calls to read_dir_entries().


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1716067 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion