[ekiga] OpenBSD compilation patch with input from Antoine Jacoutot: thanks!

[Julien Puydt <jpuydt src gnome org>]

commit 9c89a502ec82afa14a78a5949f7a4a15aa37cfa7
Author: Julien Puydt <jpuydt free fr>
Date:   Wed Feb 19 18:03:41 2014 +0100

    OpenBSD compilation patch with input from Antoine Jacoutot: thanks!

 .../components/call-history/history-contact.cpp    |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/lib/engine/components/call-history/history-contact.cpp 
b/lib/engine/components/call-history/history-contact.cpp
index dea5433..5a37cc4 100644
--- a/lib/engine/components/call-history/history-contact.cpp
+++ b/lib/engine/components/call-history/history-contact.cpp
@@ -91,7 +91,7 @@ History::Contact::Contact (boost::shared_ptr<Ekiga::ContactCore> _contact_core,
 
         xml_str = xmlNodeGetContent (child);
        if (xml_str != NULL)
-         call_start = (time_t) atoi ((const char *) xml_str);
+         call_start = (time_t) strtoll((const char *) xml_str, NULL, 0);
         xmlFree (xml_str);
       }
 
@@ -127,7 +127,7 @@ History::Contact::Contact (boost::shared_ptr<Ekiga::ContactCore> _contact_core,
               BAD_CAST "name",
               BAD_CAST robust_xmlEscape (node->doc, name).c_str ());
 
-  tmp = g_strdup_printf ("%lu", call_start);
+  tmp = g_strdup_printf ("%" G_GINT64_FORMAT, (gint64)call_start);
   xmlNewChild (node, NULL,
               BAD_CAST "call_start", BAD_CAST tmp);
   g_free (tmp);