Add a missing const.

diff --git a/white_balance_effect.cpp b/white_balance_effect.cpp
index 8a00af4397afe6b8d2267712672bb0119572075a..d2e380aaea9c7a8810b7d291ef5e70a695bb4276 100644 (file)
--- a/white_balance_effect.cpp
+++ b/white_balance_effect.cpp
@@ -39,7 +39,7 @@ Vector3d convert_color_temperature_to_xyz(float T)
 }
 
 // Assuming sRGB primaries, from Wikipedia.
-double rgb_to_xyz_matrix[9] = {
+const double rgb_to_xyz_matrix[9] = {
        0.4124, 0.2126, 0.0193, 
        0.3576, 0.7152, 0.1192,
        0.1805, 0.0722, 0.9505,