PROBLEM: (UTO97639A) (PATCH ID: OSF505-096)
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This patch prevents warning messages of 'not currently mounted'
from displaying for filessyetsm you did not request to umount.  An
example follows:
# umount -a -t ufs
/test5: not currently mounted  <==== These are AdVFS filesystems
/test2: not currently mounted
/test1: not currently mounted