On the pin-externals branch, make it possible to commit property mods on copied-along children. Attemping this lead to a NULL-deref in the commit code.
On the pin-externals branch, make it possible to commit property mods on
copied-along children. Attemping this lead to a NULL-deref in the commit code.

* subversion/libsvn_client/commit_util.c
  (do_item_commit): Don't assume that local_abspath is always non-NULL
   for property modifications.


git-svn-id: 50c5f5df37af4354ae6e67714fc94b8d09273154@1654018 13f79535-47bb-0310-9956-ffa450edef68

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