[dates] Don't display dates before 1900

[Ross Burton <rburton src gnome org>]

commit 9676a4e05bcc359aa04778107d6aa21449849a3e
Author: Zhang-Qiang <qiang z zhang intel com>
Date:   Thu Jul 30 10:21:22 2009 +0100

    Don't display dates before 1900
    
    Signed-off-by: Ross Burton <ross linux intel com>

 src/dates_callbacks.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/dates_callbacks.c b/src/dates_callbacks.c
index 23213ed..ab378c3 100644
--- a/src/dates_callbacks.c
+++ b/src/dates_callbacks.c
@@ -73,9 +73,11 @@ dates_date_change (DatesData *data, int direction)
     else
 	icaltime_adjust (time, direction, 0, 0, 0);
 	
+    if (time->year < 1900)
+        goto out;
     dates_view_set_date (data->view, time);
 	
-    g_free (time);
+out:    g_free (time);
 }
 
 void