Properly error on a commit attempted anywhere inside a tree-conflicted working copy directory.
Properly error on a commit attempted anywhere inside a tree-conflicted
working copy directory.

* subversion/libsvn_client/commit_util.c
  (bail_on_tree_conflicted_ancestor): New helper function.
  (svn_client__harvest_committables): Use new function on each explicit target.



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@874760 13f79535-47bb-0310-9956-ffa450edef68

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