Linux-PAM's pam_start(3) fails with a bogus error message if passed the pam_conv argument is NULL.  OpenPAM doesn't care, but to make things easier for people porting this code to other systems (or -STABLE), use a dummy struct pam_conv instead of NULL.
Linux-PAM's pam_start(3) fails with a bogus error message if passed the
pam_conv argument is NULL.  OpenPAM doesn't care, but to make things
easier for people porting this code to other systems (or -STABLE), use
a dummy struct pam_conv instead of NULL.

Pointed out by:	Damien Miller <djm@mindrot.org>

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase