On the wc-collate-path branch:
On the wc-collate-path branch:

* subversion/libsvn_subr/sqlite.c (collate_ucs_nfd):
   Optimize cases where one or both keys have zero length.


git-svn-id: e9b3508386fd55030f08d378d2271b7624e714e5@1406580 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion