[balsa/wip/gtk4: 257/351] mime-widget-image: get paintable from the image

[Peter Bloomfield <peterb src gnome org>]

commit c7b005bd6354a9ded52efd775263db9b774c5847
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Mon Mar 26 14:00:13 2018 -0400

    mime-widget-image: get paintable from the image
    
    Use gtk_image_get_paintable(image) instead of casting it.

 src/balsa-mime-widget-image.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/balsa-mime-widget-image.c b/src/balsa-mime-widget-image.c
index 40ee247..a22bfde 100644
--- a/src/balsa-mime-widget-image.c
+++ b/src/balsa-mime-widget-image.c
@@ -130,7 +130,7 @@ img_check_size(BalsaMimeWidgetImage * mwi)
     image = GTK_IMAGE(widget);
     switch (gtk_image_get_storage_type(image)) {
         case GTK_IMAGE_PAINTABLE:
-            curr_w = gdk_paintable_get_intrinsic_width(GDK_PAINTABLE(image));
+            curr_w = gdk_paintable_get_intrinsic_width(gtk_image_get_paintable(image));
             break;
         default:
             curr_w = 0;