gzip, and split). "Real" filesystems should always be listed first so
that the "bare" filename is tried before alternate filenames. For PXE
booting in particular this can remove a lot of spurious pathname lookups.
While here, move splitfs to the bottom after the bzip and gzip filesystems
as it is the least often used.
Tested by: Prokash Sinha <psinha@panasas.com>
MFC after: 1 week
8b20d1c1c5