[gimp/gimp-2-8] Bug 689535 - Color display filters - Color deficient vision aren't correct

[Michael Natterer <mitch src gnome org>]

commit eb03ed00fdc21fd9800f02515bbc8eadc68c32f6
Author: Michael Natterer <mitch gimp org>
Date:   Tue Jan 3 15:46:42 2017 +0100

    Bug 689535 - Color display filters - Color deficient vision aren't correct
    
    Fix gamma_lut to apply gamma in the right direction.
    Found by Konstantin Kharlov.

 modules/display-filter-color-blind.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modules/display-filter-color-blind.c b/modules/display-filter-color-blind.c
index 49daefb..cfc00c7 100644
--- a/modules/display-filter-color-blind.c
+++ b/modules/display-filter-color-blind.c
@@ -274,7 +274,7 @@ cdisplay_colorblind_init (CdisplayColorblind *colorblind)
   gint i;
 
   for (i = 0; i < 256; i++)
-    colorblind->gamma_lut[i] = pow (i, 1.0 / gammaRGB);
+    colorblind->gamma_lut[i] = pow (i, gammaRGB);
 }
 
 static void