color.cpp: use variable br_

Variable 'br_' is assigned a value that is never used


Origin commit data
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Commit: c5b9786df4
Author: Thilo Graf <dbt@novatux.de>
Date: 2013-12-02 (Mon, 02 Dec 2013)

src/gui/color.cpp

@@ -120,7 +120,7 @@ void changeBrightnessRGBRel2(RgbColor *rgb, int br)
 
 	HsvColor hsv;
 	Rgb2Hsv(rgb, &hsv);
-	hsv.v = br;
+	hsv.v = br_;
 	Hsv2Rgb(&hsv, rgb);
 }