Support svn_client_update3().
Support svn_client_update3().

* subversion/bindings/swig/ruby/svn/client.rb
  (Svn::Client::Context#update): Use Svn::Client.update3 instead
  of Svn::Client.update2.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@864393 13f79535-47bb-0310-9956-ffa450edef68

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