[cheese] Add missing stdlib.h includes

[David King <davidk src gnome org>]

commit 388fd6ee0462b52f86b264cb1508155edcd34b56
Author: Bastien Nocera <hadess hadess net>
Date:   Wed Aug 22 20:31:24 2012 +0100

    Add missing stdlib.h includes
    
    For the EXIT_* macro definitions.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=682491

 tests/cheese-test-monitor.c |    1 +
 tests/cheese-test-widget.c  |    2 +-
 tests/test-libcheese.c      |    1 +
 3 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/tests/cheese-test-monitor.c b/tests/cheese-test-monitor.c
index 8fd0b6f..db3b52d 100644
--- a/tests/cheese-test-monitor.c
+++ b/tests/cheese-test-monitor.c
@@ -1,4 +1,5 @@
 #include <glib.h>
+#include <stdlib.h>
 
 #include "cheese-camera-device-monitor.h"
 #include "cheese-camera-device.h"
diff --git a/tests/cheese-test-widget.c b/tests/cheese-test-widget.c
index 19f1fc6..ca396fc 100644
--- a/tests/cheese-test-widget.c
+++ b/tests/cheese-test-widget.c
@@ -1,6 +1,6 @@
-
 #include "cheese-config.h"
 
+#include <stdlib.h>
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>
 #include <gst/gst.h>
diff --git a/tests/test-libcheese.c b/tests/test-libcheese.c
index 9657922..c428ac0 100644
--- a/tests/test-libcheese.c
+++ b/tests/test-libcheese.c
@@ -19,6 +19,7 @@
 
 #include "cheese-config.h"
 
+#include <stdlib.h>
 #include <glib/gi18n.h>
 #include "cheese-camera-device.h"
 #include "cheese-camera-device-monitor.h"