Print non-fatal locking errors as warnings instead of errors.
Print non-fatal locking errors as warnings instead of errors.

* subversion/clients/cmdline/notify.c
  (notify): Use svn_handle_warning instead of svn_handle_error.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@854916 13f79535-47bb-0310-9956-ffa450edef68

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