[anjuta] Fixes NULL pointer dereference when closing tabs.

[Johannes Schmid <jhs src gnome org>]

commit f1a9be8cf937d8d1c0a19e873c990c90b54a0c60
Author: Marco Diego Aurélio Mesquita <marcodiegomesquita gmail com>
Date:   Sat Feb 19 10:52:39 2011 -0300

    Fixes NULL pointer dereference when closing tabs.

 libanjuta/anjuta-tabber.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/libanjuta/anjuta-tabber.c b/libanjuta/anjuta-tabber.c
index cde2bf4..531e4a8 100644
--- a/libanjuta/anjuta-tabber.c
+++ b/libanjuta/anjuta-tabber.c
@@ -414,8 +414,11 @@ anjuta_tabber_draw (GtkWidget* widget, cairo_t* cr)
 	AnjutaTabber* tabber = ANJUTA_TABBER (widget);
 	GList* child;
 	GtkWidget* current_tab = g_list_nth_data (tabber->priv->children, tabber->priv->active_page);
-	GtkWidget* first = tabber->priv->children->data;
-	
+	GtkWidget* first = NULL;
+
+	if (tabber->priv->children) 
+		first = tabber->priv->children->data;
+
 	for (child = tabber->priv->children; child != NULL; child = g_list_next (child))
 	{
 		GtkWidget* tab = GTK_WIDGET (child->data);