Follow-up to r38417, the fix for issue #3443, fix bug present when merging into the current directory.
Follow-up to r38417, the fix for issue #3443, fix bug present when merging
into the current directory.

* subversion/libsvn_client/merge.c
  (inherit_implicit_mergeinfo_from_parent): Handle PARENT->PATH == ""
  correctly -- there will be no leading '/' in that case, so don't try to
  remove it!


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@878498 13f79535-47bb-0310-9956-ffa450edef68

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