$NetBSD$

get the right headers for BSD

--- set_mcast.c	2011/11/30 20:37:22	1.1
+++ set_mcast.c	2011/11/30 20:37:50
@@ -27,10 +27,10 @@
 
 #include	"main.h"
 #include	<net/if.h>
-#ifdef _SUN
-#include <sys/sockio.h>  /* define SIOCGIFADDR */
-#else
+#ifdef __linux__
 #include <linux/sockios.h>
+#else
+#include <sys/sockio.h>  /* define SIOCGIFADDR */
 #endif
 
 #define SA      struct sockaddr
