For auth module, this is more like a cosmetic change :)
Anyway, all the tests passes and this is one more module
migrated.

Signed-off-by: Stephan Bergmann <sbergman@redhat.com> with additional changes:
* Kept the odd SSOExceptions as noheader instead of nohdl.

Change-Id: Iaef3b4ab8c29526be8d0a388fc17e6af5d293c81