[gegl] edge: propagate space

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

commit a6321e3585edaae41fa561218d9d0f4fae8745ac
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Jul 6 11:30:08 2018 +0200

    edge: propagate space

 operations/common-gpl3+/edge.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/operations/common-gpl3+/edge.c b/operations/common-gpl3+/edge.c
index 988ec8588..1614ba190 100644
--- a/operations/common-gpl3+/edge.c
+++ b/operations/common-gpl3+/edge.c
@@ -208,7 +208,7 @@ prepare (GeglOperation *operation)
   GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
 
   const Babl *input_f = gegl_operation_get_source_format (operation, "input");
-  const Babl *format  = babl_format ("R'G'B' float");
+  const Babl *format  = babl_format_with_space ("R'G'B' float", input_f);
 
   area->left   =
   area->right  =
@@ -218,7 +218,7 @@ prepare (GeglOperation *operation)
   if (input_f)
     {
       if (babl_format_has_alpha (input_f))
-        format = babl_format ("R'G'B'A float");
+        format = babl_format_with_space ("R'G'B'A float", input_f);
     }
 
   gegl_operation_set_format (operation, "input", format);