libcontainer/system: fix godoc (golint)
@@ -2,4 +2,6 @@ package system
import "github.com/opencontainers/runc/libcontainer/userns"
+// RunningInUserNS detects whether we are currently running in a user namespace.
+// Deprecated: use github.com/opencontainers/runc/libcontainer/userns.RunningInUserNS instead
var RunningInUserNS = userns.RunningInUserNS
