Bugfix:  make 'svn ls' work against pre-1.2 mod_dav_svn.
Bugfix:  make 'svn ls' work against pre-1.2 mod_dav_svn.

This is a bugfix to issue #2291 on trunk, "make 'svn ls' show locks".

(Noticed by eh and maxb, who couldn't 'svn ls' the tigris.org server
using the latest trunk code.)

* subversion/libsvn_client/ls.c 
  (svn_client_ls3):  capture and clear SVN_ERR_RA_NOT_IMPLEMENTED.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@855958 13f79535-47bb-0310-9956-ffa450edef68

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