[empathy] accounts-dialog: early return if gtk_tree_view_get_selection returns NULL

[Guillaume Desmottes <gdesmott src gnome org>]

commit 7fd3e9d678b493a72c51301e233870c9960985ea
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Fri Oct 25 10:46:42 2013 +0200

    accounts-dialog: early return if gtk_tree_view_get_selection returns NULL

 src/empathy-accounts-dialog.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/empathy-accounts-dialog.c b/src/empathy-accounts-dialog.c
index 83f1334..76b460a 100644
--- a/src/empathy-accounts-dialog.c
+++ b/src/empathy-accounts-dialog.c
@@ -279,6 +279,8 @@ account_is_selected (EmpathyAccountsDialog *dialog,
     return FALSE;
 
   selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
+  if (selection == NULL)
+    return FALSE;
 
   if (!gtk_tree_selection_get_selected (selection, &model, &iter))
     return FALSE;