[PATCH] netfilter: add include guard to xt_connlabel.h

[Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>]

Add a header include guard just in case.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

 include/uapi/linux/netfilter/xt_connlabel.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/uapi/linux/netfilter/xt_connlabel.h b/include/uapi/linux/netfilter/xt_connlabel.h
index 2312f0ec07b2..323f0dfc2a4e 100644
--- a/include/uapi/linux/netfilter/xt_connlabel.h
+++ b/include/uapi/linux/netfilter/xt_connlabel.h
@@ -1,4 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#ifndef _UAPI_XT_CONNLABEL_H
+#define _UAPI_XT_CONNLABEL_H
+
 #include <linux/types.h>
 
 #define XT_CONNLABEL_MAXBIT 127
@@ -11,3 +15,5 @@ struct xt_connlabel_mtinfo {
 	__u16 bit;
 	__u16 options;
 };
+
+#endif /* _UAPI_XT_CONNLABEL_H */
-- 
2.17.1