K 10
svn:author
V 2
kp
K 8
svn:date
V 27
2022-03-20T05:21:39.722128Z
K 7
svn:log
V 407
if_epair: build fix

66acf7685b failed to build on riscv (and mips). This is because the
atomic_testandset_int() (and friends) functions do not exist there.
Happily those platforms do have the long variant, so switch to that.

PR:		262571
MFC after:	3 days

(cherry picked from commit 0bf7acd6b7047537a38e2de391a461e4e8956630)

Git Hash:   b1a3f8dccb6203036b7ee81201fd5b5a8de36f0d
Git Author: kp@FreeBSD.org
END