[gtk+] widget: Special-case popover in snapshot

[Matthias Clasen <matthiasc src gnome org>]

commit 2651fcbef9b53a657c00387c478914ae52a0fe7d
Author: Timm Bäder <mail baedert org>
Date:   Sat May 6 16:32:17 2017 +0200

    widget: Special-case popover in snapshot
    
    Just like we do it for GtkWindow.

 gtk/gtkwidget.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 57c8a64..43c8b0c 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -15416,7 +15416,8 @@ gtk_widget_snapshot (GtkWidget   *widget,
 
   _gtk_widget_get_allocation (widget, &allocation);
 
-  if (!GTK_IS_WINDOW (widget))
+  if (!GTK_IS_WINDOW (widget) &&
+      !GTK_IS_POPOVER (widget))
     {
       gtk_snapshot_offset (snapshot, margin.left, margin.top);
       gtk_css_style_snapshot_background (style,