Stop 'svn diff -r rev:rev' from printing out a bunch of empty prop changes.
Stop 'svn diff -r rev:rev' from printing out a bunch of empty prop changes.

* subversion/libsvn_client/diff.c
  (diff_props_changed): only call display_prop_diffs() if some regular props
   have changed.

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