$NetBSD$

--- src/applet.c	2009-03-26 16:08:23.000000000 +0000
+++ src/applet.c	2009-03-26 16:08:40.000000000 +0000
@@ -22,6 +22,7 @@
 #include <glib/gi18n.h>
 
 #include <string.h>
+#include <unistd.h>
 
 #include <gdk/gdkkeysyms.h>
 
