[gegl] svg-saturate: propagate BablSpace

[Øyvind "pippin" Kolås <ok src gnome org>]

commit d2c16d0b398351ef370788c5c7706f1429832e61
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Jul 5 22:44:24 2018 +0200

    svg-saturate: propagate BablSpace

 operations/common/svg-saturate.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/operations/common/svg-saturate.c b/operations/common/svg-saturate.c
index f4c87cf38..99e707b58 100644
--- a/operations/common/svg-saturate.c
+++ b/operations/common/svg-saturate.c
@@ -38,7 +38,8 @@ property_string (values, _("Values"), "")
 
 static void prepare (GeglOperation *operation)
 {
-  const Babl *format = babl_format ("RaGaBaA float");
+  const Babl *space = gegl_operation_get_source_space (operation, "input");
+  const Babl *format = babl_format_with_space ("RaGaBaA float", space);
 
   gegl_operation_set_format (operation, "input", format);
   gegl_operation_set_format (operation, "output", format);