Fix compile with bpf on OpenBSD.

diff --git a/src/bpf.c b/src/bpf.c
index 73e83e28f0a542f77075b131cf859ab5c867ee9c..f22060739c9070cdf7910c3334423b5802e68587 100644 (file)
--- a/src/bpf.c
+++ b/src/bpf.c
@@ -26,6 +26,7 @@
  */
 
 #include <sys/ioctl.h>
+#include <sys/socket.h>
 
 #include <arpa/inet.h>