If you inherit empty mergeinfo, you inherit empty mergeinfo.  Really.
If you inherit empty mergeinfo, you inherit empty mergeinfo.  Really.

* subversion/libsvn_client/mergeinfo.c
 (svn_client__get_wc_mergeinfo):  If a path inherits empty mergeinfo we
 correctly return an empty hash, but prior to this change we reported that
 the path didn't inherit anything because the hash returned was empty(!).

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@868453 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,YueLinHo/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