util-linux security and bug fix update

[2.12a-24.el4]

• fix #458539 - man nfs : wrong information about nfs version used
  [ 2.12a-23.el4]
• fix #485004 - move mount doesnt correctly update mtab
  [ 2.12a-22.el4]
• fix #472186 - mount -a has problems with duplicate labels in a mpath setup
• fix #471372 - RHEL4: fdisk cannot create partition with starting beyond 1 TB
• fix #456379 - RHEL4: audit log injection attack via login
• fix #456213 - RHEL4: login segfaults on EOF
• fix #447264 - RHEL4: VMware fdisk partitions
  [2.12a-21.el4]
• fix #461488 - Backgrounded NFS mounts dies soon after ‘service netfs start’
  command is issued