Fix a bug which causes some cvs2svn-produced repositories to gain spurious additional files when passed through a dump-load cycle.
Fix a bug which causes some cvs2svn-produced repositories to gain
spurious additional files when passed through a dump-load cycle.

Patch by: Max Bowsher <maxb@ukf.net>

* subversion/libsvn_fs/bdb/changes-table.c 
  (fold_change): The sequence "replace, delete" should fold to
    "delete", not "no-op".


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@849119 13f79535-47bb-0310-9956-ffa450edef68

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