--- src/names.c.orig	Mon Jan  4 13:12:51 2010
+++ src/names.c	Thu Sep 23 22:58:51 2010
@@ -17,6 +17,7 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <unistd.h>
 #include <netinet/in.h>
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
