[SSSD] [PATCH] Supress warnings with -O2

[Jakub Hrozek]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

I noticed that there were some warnings about uninitialized variables
when compiling with -O2, some of them legit (sysdb.c, krb5_auth.c,
pamsrv_cmd.c) some of them a little spurious but I think the extra
assignments are worth the clean compile.
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.10 (GNU/Linux)
> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org/
>
> iEYEARECAAYFAkt1VeMACgkQHsardTLnvCWZJgCfcyj1iZfB4Hnp27V5k43vrEmg
> vXUAnA3YblUTP4YNOlPv1HWB7ygyAdCZ
> =8ow7
> -----END PGP SIGNATURE-----