Followup to r20449.
Followup to r20449.

Suggested by: Malcolm Rowe <malcolm-svn-dev@farside.org.uk>

* subversion/bindings/swig/ruby/svn/error.rb:
  Add a comment that shows we keep backward compatibility.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@860528 13f79535-47bb-0310-9956-ffa450edef68

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