[gimp/gimp-2-10] libgimp: forgot to deprecate gimp_drawable_preview_draw_region()

[Michael Natterer <mitch src gnome org>]

commit 9ef3ce4c90dda5082767bd84cdbbff173a363b44
Author: Michael Natterer <mitch gimp org>
Date:   Fri Jun 28 19:31:07 2019 +0200

    libgimp: forgot to deprecate gimp_drawable_preview_draw_region()
    
    (cherry picked from commit 382fe030cea4550c8582a97db95e555422fefb4f)

 libgimp/gimpdrawablepreview.h | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/libgimp/gimpdrawablepreview.h b/libgimp/gimpdrawablepreview.h
index 7fc3d86cf3..c4429948d5 100644
--- a/libgimp/gimpdrawablepreview.h
+++ b/libgimp/gimpdrawablepreview.h
@@ -71,6 +71,7 @@ GtkWidget    * gimp_drawable_preview_new                  (GimpDrawable        *
 GIMP_DEPRECATED_FOR(gimp_drawable_preview_get_drawable_id)
 GimpDrawable * gimp_drawable_preview_get_drawable         (GimpDrawablePreview *preview);
 
+GIMP_DEPRECATED_FOR(gimp_preview_draw_buffer)
 void           gimp_drawable_preview_draw_region          (GimpDrawablePreview *preview,
                                                            const GimpPixelRgn  *region);