[gegl] rgb-clip: propagate BablSpace

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

commit 667ba63704a8460fd1e5657a9780cd14c38b4cf3
Author: Øyvind Kolås <pippin gimp org>
Date:   Thu Jul 5 22:32:35 2018 +0200

    rgb-clip: propagate BablSpace

 operations/common/rgb-clip.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/operations/common/rgb-clip.c b/operations/common/rgb-clip.c
index d8462c729..869912fba 100644
--- a/operations/common/rgb-clip.c
+++ b/operations/common/rgb-clip.c
@@ -51,6 +51,7 @@ property_double (high_limit, _("High limit"), 1.0)
 static void
 prepare (GeglOperation *operation)
 {
+  const Babl *space = gegl_operation_get_source_space (operation, "input");
   const Babl *src_format = gegl_operation_get_source_format (operation, "input");
   const char *format     = "RGB float";
 
@@ -70,8 +71,8 @@ prepare (GeglOperation *operation)
         format = "RGBA float";
     }
 
-  gegl_operation_set_format (operation, "input",  babl_format (format));
-  gegl_operation_set_format (operation, "output", babl_format (format));
+  gegl_operation_set_format (operation, "input",  babl_format_with_space (format, space));
+  gegl_operation_set_format (operation, "output", babl_format_with_space (format, space));
 }
 
 static gboolean