Include net/if.h for IFF_* macros

Author: yselkowitz

python-ethtool/ethtool.c

@@ -28,6 +28,7 @@
 #include <sys/types.h>
 #include <ifaddrs.h>
 #include <netlink/route/addr.h>
+#include <net/if.h>
 
 #include "etherinfo_struct.h"
 #include "etherinfo_obj.h"