can not mount a large FAT32 filesystem

[Jim Rees]

Note that the check also must be removed near the top of mountmsdosfs(), at
least in the cvs head version.

OpenBSD fixed this in 1999, so it's had some testing there.

revision 1.17
date: 1999/05/01 23:47:21;  author: deraadt;  state: Exp;  lines: +3 -13
do not count on BOOTSIG0 and BOOTSIG1 being in a msdos filesystem.  Not
all filesystems need to contain those; mark at nfr.net