--- igmpproxy-0.1.orig/src/igmpproxy.h	2009-10-05 20:19:26.000000000 +0200
+++ igmpproxy-0.1/src/igmpproxy.h	2014-03-26 18:05:47.000000000 +0100
@@ -48,6 +48,7 @@
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <sys/time.h>
+#include <sys/types.h>
 #include <sys/ioctl.h>
 #include <sys/param.h>
 
