macro: add missing headers

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

src/lxc/macro.h

@@ -20,6 +20,16 @@
 #ifndef __LXC_MACRO_H
 #define __LXC_MACRO_H
 
+#include "config.h"
+
+#include <asm/types.h>
+#include <linux/if_link.h>
+#include <linux/loop.h>
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+#include <sys/mount.h>
+#include <sys/socket.h>
+
 /* Define __S_ISTYPE if missing from the C library. */
 #ifndef __S_ISTYPE
 #define __S_ISTYPE(mode, mask) (((mode)&S_IFMT) == (mask))