Follow up to r16855.
Follow up to r16855.

Patch by: Malcolm Rowe <malcolm-svn-dev@farside.org.uk>

* subversion/libsvn_wc/props.c
  (empty_props_p): Update comments to match changes made in r16855.

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