added sys/un.h

git-svn-id: svn://bind10.isc.org/svn/bind10/branches/trac183@1922 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/cc/session.cc

@@ -24,6 +24,8 @@
 #include <iostream>
 #include <sstream>
 
+#include <sys/un.h>
+
 #ifdef HAVE_BOOST_SYSTEM
 #include <boost/bind.hpp>
 #include <boost/function.hpp>