bmon-3.6-net_if.h.patch

--- a/src/in_netlink.c
+++ b/src/in_netlink.c
@@ -37,6 +37,8 @@
 static struct element_group *grp;
 static struct bmon_module netlink_ops;
 
+#include <net/if.h>
+
 #include <netlink/netlink.h>
 #include <netlink/cache.h>
 #include <netlink/utils.h>