Do not build pam_krb4 on FreeBSD.  FreeBSD ships with a pam_kerberosIV module in the base system.
Do not build pam_krb4 on FreeBSD.  FreeBSD ships with a pam_kerberosIV
module in the base system.


git-svn-id: 193148810cf65385f3a195dbc9a8b504846da3a2@11249 ec53bebd-3082-4978-b11e-865c3cabbd6b

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal