vixie-cron security, bug fix, and enhancement update

[4:4.1-81]

• 455664 adoptions of crontab orphans, forgot add buffer for list of
  orphans
• Related: rhbz#455664
  [4:4.1-80]
• 654961 crond process ignores the changes of user’s home directory needs
  bigger changes of code. The fix wasn’t applied, detail in comment#11.
• Related: rhbz#249512
  [4:4.1-79]
• CVE-2010-0424 vixie-cron, cronie: Race condition by setting timestamp
  of user’s crontab file, when editing the file
• Resolves: rhbz#741534
  [4:4.1-78]
• 625016 - crond requires a restart if mcstransd is stopped
• Resolves: rhbz#625016
  [4:4.1-78]
• 460070 entries in cronjobs in /etc/cron.d are checked for valid syntax
• Resolves: rhbz#460070
  [4:4.1-78]
• 455664 adoptions of crontab orphans
• 249512 crontab should verify a user’s access to PAM cron service
• Resolves: rhbz#455664, rhbz#249512
  [4:4.1-78]
• 699621 and 699620 man page fix
• 529632 service crond status return correct status
• 480930 set correct pie options in CFLAGS and LDFLAGS
• 476972 crontab error with @reboot entry
• Resolves: rhbz#699621, rhbz#699620, rhbz#529632, rhbz#480930, rhbz#476972