K 10
svn:author
V 4
neel
K 8
svn:date
V 27
2013-03-16T05:40:29.455521Z
K 7
svn:log
V 319
Change the type of 'ndesc' from 'int' to 'uint16_t' so that descriptor index
wraparound is handled correctly.

The gory details are available here:
http://lists.freebsd.org/pipermail/freebsd-virtualization/2013-March/001119.html

This fixes a regression introduced in r247871.

Pointed out by:	Bruce Evans, Chris Torek

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