[gegl] bump-map: deal with space

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

commit 32031e5fb399cd2c4464e2b6e9e285e7688b2881
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Jul 6 11:10:42 2018 +0200

    bump-map: deal with space

 operations/common-gpl3+/bump-map.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/operations/common-gpl3+/bump-map.c b/operations/common-gpl3+/bump-map.c
index 0a307af68..4601cfebf 100644
--- a/operations/common-gpl3+/bump-map.c
+++ b/operations/common-gpl3+/bump-map.c
@@ -285,9 +285,9 @@ prepare (GeglOperation *operation)
   if (in_format)
     {
       if (babl_format_has_alpha (in_format))
-        in_format = babl_format ("R'G'B'A float");
+        in_format = babl_format_with_space ("R'G'B'A float", in_format);
       else
-        in_format = babl_format ("R'G'B' float");
+        in_format = babl_format_with_space ("R'G'B' float", in_format);
     }
   else
     in_format = babl_format ("R'G'B' float");