[evolution] Add missing include

[Fridrich Strba <strba src gnome org>]

commit 0e7a51c8bb58197beb605f8cd2f87d702912d49a
Author: H.Habighorst <h habighorst googlemail com>
Date:   Wed May 19 18:44:17 2010 +0200

    Add missing include

 widgets/misc/e-calendar-item.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/widgets/misc/e-calendar-item.c b/widgets/misc/e-calendar-item.c
index 2751952..e67c2b7 100644
--- a/widgets/misc/e-calendar-item.c
+++ b/widgets/misc/e-calendar-item.c
@@ -29,6 +29,7 @@
 #include "ea-widgets.h"
 
 #include <time.h>
+#include <stdlib.h>
 #include <string.h>
 #include <gtk/gtk.h>
 #include <gdk/gdkkeysyms.h>