A follow-up to r18179.  No functional change.
A follow-up to r18179.  No functional change.

* subversion/include/svn_client.h
  (svn_client_log3): Correct Doxygen markup.

Suggested by: julianfoad

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