[gimp] app: show overlay mode also in legacy mode menu

[Øyvind Kolås <ok src gnome org>]

commit 361ca1bfb41329182eb2908d07115cf284171fe8
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Mar 8 18:08:36 2017 +0100

    app: show overlay mode also in legacy mode menu
    
    The mode group switching combo box is hard to discover, until we use the
    default group instead of legacy group as default - it is better to make legacy
    resemble the full old set to.

 app/operations/layer-modes/gimp-layer-modes.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/app/operations/layer-modes/gimp-layer-modes.c b/app/operations/layer-modes/gimp-layer-modes.c
index 28e4a35..30161e0 100644
--- a/app/operations/layer-modes/gimp-layer-modes.c
+++ b/app/operations/layer-modes/gimp-layer-modes.c
@@ -919,6 +919,7 @@ static const GimpLayerMode layer_mode_group_legacy[] =
 
   GIMP_LAYER_MODE_SEPARATOR,
 
+  GIMP_LAYER_MODE_OVERLAY,
   GIMP_LAYER_MODE_SOFTLIGHT_LEGACY,
   GIMP_LAYER_MODE_HARDLIGHT_LEGACY,