libc/int/userns: add build tag to C file

This fixes k3s cross-compilation on Windows, broken by commit
1912d5988b ("*: actually support joining a userns with a new
container").

[@kolyshkin: commit message]

Fixes: 1912d5988b
Signed-off-by: Brad Davidson <brad.davidson@rancher.com>
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Brad Davidson
2024-09-14 07:20:11 +00:00
committed by Kir Kolyshkin
parent a5bfdc9df1
commit ccb589bd7d
@@ -1,3 +1,5 @@
//go:build linux
#define _GNU_SOURCE
#include <fcntl.h>
#include <sched.h>