Add a few svn_error_return() calls in neon.
Add a few svn_error_return() calls in neon.

* subversion/libsvn_ra_neon/commit.c
  (do_proppatch,
   apply_revprops): Wrap calls to svn_ra_neon__do_proppatch.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1136808 13f79535-47bb-0310-9956-ffa450edef68

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