Followup to r1291562 by closing an error leak.
Followup to r1291562 by closing an error leak.

Found by: danielsh

* subversion/libsvn_ra/ra_loader.c
  (svn_ra__register_editor_shim_callbacks): Use SVN_ERR() where appropriate.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1291574 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion