Mark svn_client_export2 as a new API to 1.1.
Mark svn_client_export2 as a new API to 1.1.

* subversion/include/svn_client.h
  (svn_client_export2): Add @since marker.



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@849834 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion