extensions: libxt_bpf: fix missing __NR_bpf declaration

This include is needed to compile the bpf_obj_get function properly,
as it brings in the __NR_bpf declaration.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/extensions/libxt_bpf.c b/extensions/libxt_bpf.c
index 92c445e8a96c6261258636fb35e9a3c80a807689..9510c190f3159c7a4f26d896669801950edf82e0 100644 (file)
--- a/extensions/libxt_bpf.c
+++ b/extensions/libxt_bpf.c
@@ -22,6 +22,8 @@
 #include <linux/bpf.h>
 #endif
 
+#include <linux/unistd.h>
+
 #define BCODE_FILE_MAX_LEN_B   1024
 
 enum {