[goocanvas] gtk4: GooCanvas: Replace gtk_widget_set_mapped():

[Murray Cumming <murrayc src gnome org>]

commit 868f624e3f8070cd136b10884f1a57a9db6ed722
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Dec 15 14:35:29 2016 +0100

    gtk4: GooCanvas: Replace gtk_widget_set_mapped():
    
    Presuming that we are really meant to replace it with:
    GTK_WIDGET_CLASS (my_widget_parent_class)->map (widget);
    as here:
    https://git.gnome.org/browse/gtk+/commit/?id=846cf681e8602399e172c256a93cd7484708219a

 src/goocanvas.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/goocanvas.c b/src/goocanvas.c
index cc96a6a..51c1448 100644
--- a/src/goocanvas.c
+++ b/src/goocanvas.c
@@ -1608,7 +1608,7 @@ goo_canvas_map (GtkWidget *widget)
 
   canvas = GOO_CANVAS (widget);
 
-  gtk_widget_set_mapped (widget, TRUE);
+  GTK_WIDGET_CLASS (goo_canvas_parent_class)->map (widget);
 
   tmp_list = canvas->widget_items;
   while (tmp_list)