Improve PAM header test.
Improve PAM header test.


Yubico/yubico-pam,eworm-de/yubico-pam,eworm-de/yubico-pam,madrat-/yubico-pam,Yubico/yubico-pam,madrat-/yubico-pam,eworm-de/yubico-pam,Yubico/yubico-pam,madrat-/yubico-pam