* subversion/libsvn_delta/svndiff.c   (decode_file_offset, decode_size): Remove an unnecessary assignment in     the case where the decoding is incomplete, and document that case.
* subversion/libsvn_delta/svndiff.c
  (decode_file_offset, decode_size): Remove an unnecessary assignment in
    the case where the decoding is incomplete, and document that case.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1003507 13f79535-47bb-0310-9956-ffa450edef68

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