Support svn_wc_get_diff_editor4().
Support svn_wc_get_diff_editor4().

* subversion/bindings/swig/ruby/svn/wc.rb
  (Svn::Wc::AdmAccess#diff_editor, Svn::Wc::AdmAccess#diff_editor2):
  Handle recurse parameter as depth parameter.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@864378 13f79535-47bb-0310-9956-ffa450edef68

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