XEmacs compatibility fix for help-buffer.
XEmacs compatibility fix for help-buffer.

* contrib/client-side/emacs/psvn.el:
  (svn-help-buffer): Compatibility definition that works on GNU Emacs and 
   XEmacs.

Patch by: Marcus Harnisch <marcus.harnisch@gmx.net>


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@877943 13f79535-47bb-0310-9956-ffa450edef68

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