Reintegrate wc-collate-path branch to trunk.

* subversion/libsvn_subr/sqlite.c: Protect changes related to working copy
  database functionality with #ifdef SVN_UNICODE_NORMALIZATION_FIXES.


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1480406 13f79535-47bb-0310-9956-ffa450edef68