Refactoring to improve clarity.  No functional change.
Refactoring to improve clarity.  No functional change.

* subversion/libsvn_client/repos_diff.c
  (edit_baton.empty_file): Improve doc string.

  (create_empty_file): Improve doc string.  Rename EMPTY_FILE
   parameter to EMPTY_FILE_PATH.

  (get_empty_file): Rename B parameter to EB, and EMPTY_FILE parameter
   to EMPTY_FILE_PATH.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@862388 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion