Update opencontainers/selinux to v1.8.2

Signed-off-by: Davanum Srinivas <davanum@gmail.com>

vendor/github.com/bits-and-blooms/bitset/trailing_zeros_19.go

@@ -0,0 +1,9 @@
+// +build go1.9
+
+package bitset
+
+import "math/bits"
+
+func trailingZeroes64(v uint64) uint {
+	return uint(bits.TrailingZeros64(v))
+}