Description of problem:
cron no longer working due to incompatible pam libs

Version-Release number of selected component (if applicable):
vixie-cron-4.2-8.fc8

How reproducible:
100%, totally broken by latest updates

Steps to Reproduce:
1. update box to current
2. note that cron stops working, and /var/log/secure shows a mess.
  
Actual results:
excerpt from /var/log/secure due to broken cron:
Feb 23 20:01:01 mellor crond[25033]: PAM unable to
dlopen(/lib/security/pam_access.so)
Feb 23 20:01:01 mellor crond[25033]: PAM [error: /lib/libpam.so.0: version
`LIBPAM_MODUTIL_1.1' not found (required by /lib/security/pam_access.so)]
Feb 23 20:01:01 mellor crond[25033]: PAM adding faulty module:
/lib/security/pam_access.so
Feb 23 20:01:01 mellor crond[25033]: PAM unable to
dlopen(/lib/security/pam_limits.so)
Feb 23 20:01:01 mellor crond[25033]: PAM [error: /lib/libpam.so.0: version
`LIBPAM_MODUTIL_1.1' not found (required by /lib/security/pam_limits.so)]
Feb 23 20:01:01 mellor crond[25033]: PAM adding faulty module:
/lib/security/pam_limits.so
Feb 23 20:01:01 mellor crond[25033]: PAM unable to
dlopen(/lib/security/pam_access.so)
Feb 23 20:01:01 mellor crond[25033]: PAM [error: /lib/libpam.so.0: version
`LIBPAM_MODUTIL_1.1' not found (required by /lib/security/pam_access.so)]
Feb 23 20:01:01 mellor crond[25033]: PAM adding faulty module:
/lib/security/pam_access.so
Feb 23 20:01:01 mellor crond[25033]: PAM unable to
dlopen(/lib/security/pam_limits.so)
Feb 23 20:01:01 mellor crond[25033]: PAM [error: /lib/libpam.so.0: version
`LIBPAM_MODUTIL_1.1' not found (required by /lib/security/pam_limits.so)]
Feb 23 20:01:01 mellor crond[25033]: PAM adding faulty module:
/lib/security/pam_limits.so

Expected results:
cron should work like it used to.

Additional info: