* subversion/include/svn_client.h
  (svn_client_cat3): Update documentation.
  (svn_client_cat2): Add accidentally removed @since.

Found by: julianfoad


git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1581796 13f79535-47bb-0310-9956-ffa450edef68