[glib] tests/keyfile: Fix build

[Jasper St. Pierre <jstpierre src gnome org>]

commit 33f81cc509198e65f76a506340eb9863ca7120ce
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sat Jan 4 01:40:24 2014 -0500

    tests/keyfile: Fix build

 glib/tests/keyfile.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/glib/tests/keyfile.c b/glib/tests/keyfile.c
index d3f70c5..5468783 100644
--- a/glib/tests/keyfile.c
+++ b/glib/tests/keyfile.c
@@ -1,7 +1,9 @@
+
 #include <glib.h>
 #include <locale.h>
 #include <string.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 static GKeyFile *
 load_data (const gchar   *data,