[gegl] png-load: invert gamma loaded from gAMA

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

commit c7e712a1397b4b92c3a66497273222699735859f
Author: Øyvind Kolås <pippin gimp org>
Date:   Mon Jul 9 15:01:34 2018 +0200

    png-load: invert gamma loaded from gAMA

 operations/external/png-load.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/operations/external/png-load.c b/operations/external/png-load.c
index 6778a728d..3365900fd 100644
--- a/operations/external/png-load.c
+++ b/operations/external/png-load.c
@@ -203,9 +203,9 @@ gegl_png_space (png_structp load_png_ptr,
                                                    red[0], red[1],
                                                    green[0], green[1],
                                                    blue[0], blue[1],
-                                                   babl_trc_gamma (gamma),
-                                                   babl_trc_gamma (gamma),
-                                                   babl_trc_gamma (gamma),
+                                                   babl_trc_gamma (1.0/gamma),
+                                                   babl_trc_gamma (1.0/gamma),
+                                                   babl_trc_gamma (1.0/gamma),
                                                    1);
     }