K 10
svn:author
V 6
rlibby
K 8
svn:date
V 27
2019-12-04T20:15:17.261257Z
K 7
svn:log
V 189
bistring: avoid gcc -Wsign-compare

Appease gcc after after r355377, which broke gcc builds.

Reviewed by:	dougm
MFC with:	r355377
Differential Revision:	https://reviews.freebsd.org/D22682

END