The old svn_delta_editor_t debug editor is still occasionally useful.
Tweak it to print the new prop value on a prop change.

* subversion/libsvn_delta/debug_editor.c
  (change_file_prop,
   change_dir_prop): Print the new prop value.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1634606 13f79535-47bb-0310-9956-ffa450edef68