[gegl] Update POTFILES.in

[Piotr Drąg <piotrdrag src gnome org>]

commit 03221de3d6b14cc99e13d59031d555e4e12a8b86
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Jul 4 19:02:36 2019 +0200

    Update POTFILES.in

 po/POTFILES.in | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 51e9a622a..ae0813aa6 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -276,6 +276,7 @@ operations/workshop/gradient-map.c
 operations/workshop/hstack.c
 operations/workshop/integral-image.c
 operations/workshop/rawbayer-load.c
+operations/workshop/saturation-hue-constant.c
 operations/workshop/segment-kmeans.c
 operations/workshop/selective-hue-saturation.c
 operations/workshop/voronoi-diagram.cc