--- ./pan/data/cert-store.cc.orig	2012-06-29 17:24:54.000000000 -0500
+++ ./pan/data/cert-store.cc	2012-07-10 12:43:12.768183671 -0500
@@ -20,6 +20,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <unistd.h>
 #include <string>
 
 //#include <glib/giochannel.h>