Resolve issue #805:
Resolve issue #805:

* subversion/libsvn_client/externals.c
  (handle_externals_desc_change): Pass `update_unchanged' flag down
  the baton chain.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion