Include <netinet/in.h> for IPPROTO_UDP.

Noticed on NetBSD and FreeBSD.
(Linux and Solaris already include it via netdb.h.)


git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1131 e5f2f494-b856-4b98-b285-d166d9295462

src/bin/auth/main.cc

@@ -18,6 +18,7 @@
 #include <sys/socket.h>
 #include <sys/select.h>
 #include <netdb.h>
+#include <netinet/in.h>  // IPPROTO_UDP
 #include <stdlib.h>
 
 #include <set>