[epiphany] web-view: Destroy info bar when untracking it

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 3213f7c85a5dd3bf2bfa4dd1200cd210dc52d3de
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Sat Mar 11 15:33:21 2017 -0600

    web-view: Destroy info bar when untracking it
    
    hergertme:  yesterday i got 2 info bars asking me to save my password after i got the first one wrong

 embed/ephy-web-view.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/embed/ephy-web-view.c b/embed/ephy-web-view.c
index d4048a8..8c490f6 100644
--- a/embed/ephy-web-view.c
+++ b/embed/ephy-web-view.c
@@ -493,6 +493,7 @@ untrack_info_bar (GtkWidget **tracked_info_bar)
 
   if (*tracked_info_bar) {
     g_object_remove_weak_pointer (G_OBJECT (*tracked_info_bar), (gpointer *)tracked_info_bar);
+    gtk_widget_destroy (*tracked_info_bar);
     *tracked_info_bar = NULL;
   }
 }