[gtk+/popovers: 13/17] popover: remove GTK+ grab (if any) on unmap

[Carlos Garnacho <carlosg src gnome org>]

commit c41d5640828a2e594d88bc75a3ae620cddd48b61
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Nov 13 10:49:54 2013 +0100

    popover: remove GTK+ grab (if any) on unmap
    
    If there is a GTK+ grab on the popover, ensure that it's removed when it's
    unmapped. If no GTK+ grab was performed on the popover, this function will
    do nothing.

 gtk/gtkpopover.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index 05db5c2..5f17b8c 100644
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -199,6 +199,7 @@ gtk_popover_map (GtkWidget *widget)
 static void
 gtk_popover_unmap (GtkWidget *widget)
 {
+  gtk_grab_remove (widget);
   gdk_window_hide (gtk_widget_get_window (widget));
   GTK_WIDGET_CLASS (gtk_popover_parent_class)->unmap (widget);
 }