Fix class1/2 light sum loops to use light_diffuse[0] for sunlight_color too.

Rearrange ordering of scale down of light in class1 as well.

indra/newview/app_settings/shaders/class1/lighting/sumLightsV.glsl

@@ -38,12 +38,10 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 	col.a = color.a;
 	
 	col.rgb = light_diffuse[1].rgb * calcDirectionalLight(norm, light_position[1].xyz);
+	col.rgb += light_diffuse[0].rgb * calcDirectionalLight(norm, light_position[0].xyz);
 	col.rgb = scaleDownLight(col.rgb);
 	col.rgb += atmosAmbient(baseLight.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
-	
 	col.rgb = min(col.rgb*color.rgb, 1.0);
-	
 	return col;	
 }
 

indra/newview/app_settings/shaders/class2/lighting/sumLightsV.glsl

@@ -49,7 +49,7 @@ vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseLight.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
+	col.rgb += light_diffuse[0].rgb * calcDirectionalLight(norm, light_position[0].xyz));
 				
 	col.rgb = min(col.rgb*color.rgb, 1.0);