[issue908] mention msleep() in porting_drivers.txt

["Samuel J. Greear \(via DragonFly issue tracker\)" <sinknull@xxxxxxxxxxxxxxxxxxxxx>]

Samuel J. Greear <sjg@evilcode.net> added the comment:

grab

----------
assignedto:  -> sjg
nosy: +sjg
status: chatting -> in-progress

_____________________________________________________
DragonFly issue tracker <bugs@lists.dragonflybsd.org>
<http://bugs.dragonflybsd.org/issue908>
_____________________________________________________