K 10
svn:author
V 8
hselasky
K 8
svn:date
V 27
2015-05-10T17:11:04.354851Z
K 7
svn:log
V 163
Ensure the result from signed subtraction under modulus does not
become negative.

Submitted by:		Oliver Pinter <oliver.pinter@hardenedbsd.org>
MFC after:		3 days

END