auth: Fixed error handling in GSSAPI when __gss_userok() was used. An invalid username would have been treated as successful and auth process probably would have crashed.
auth: Fixed error handling in GSSAPI when __gss_userok() was used.
An invalid username would have been treated as successful and auth process
probably would have crashed.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot