[gegl] png-save: temporarily comment out icc profile saving, pending fixes in babl

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

commit 3ab28ea95af86a22a5be60000c51f0025e467263
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Jul 9 14:15:14 2018 +0200

    png-save: temporarily comment out icc profile saving, pending fixes in babl

 operations/external/png-save.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/operations/external/png-save.c b/operations/external/png-save.c
index d9305b5b7..c40be98f8 100644
--- a/operations/external/png-save.c
+++ b/operations/external/png-save.c
@@ -161,7 +161,7 @@ export_png (GeglOperation       *operation,
 
   format = babl_format_with_space (format_string, format);
 
-  {
+  if (0) {
     int icc_len;
     const Babl*space = babl_format_get_space (format);
     const char *name = babl_get_name (space);