[ekiga] Reset to NULL after free'ing. Cleaner, better, faster.

[Damien Sandras <dsandras src gnome org>]

commit eafe864fdda5825426e994195ef03a0b661c43e7
Author: Damien Sandras <dsandras seconix com>
Date:   Sat May 16 18:01:02 2009 +0200

    Reset to NULL after free'ing. Cleaner, better, faster.
---
 lib/gui/gmconnectbutton.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/lib/gui/gmconnectbutton.c b/lib/gui/gmconnectbutton.c
index a607a72..a91bd23 100644
--- a/lib/gui/gmconnectbutton.c
+++ b/lib/gui/gmconnectbutton.c
@@ -125,7 +125,9 @@ gm_connect_button_destroy (GtkObject *object)
     (*GTK_OBJECT_CLASS (parent_class)->destroy) (object);
 
   g_free (cb->pickup);
+  cb->pickup = NULL;
   g_free (cb->hangup);
+  cb->hangup = NULL;
 }