A follow-up to r905679: fix a bug in error handling in the notifications.
A follow-up to r905679: fix a bug in error handling in the notifications.

Found by: danielsh

* subversion/svn/obliterate-cmd.c
  (svn_cl__obliterate): Make the notification baton a real structure rather
    than a null pointer pretending to be a structure.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion