MATBUG-78 Fix for alpha lighting falloff not matching opaque lighting falloff (again).

indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl

@@ -101,7 +101,7 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float
 		float dist = d/la;
 		da = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
 		da *= da;
-		da *= 1.4;
+		da *= 2.0;
 	
 
 		// spotlight coefficient.

indra/newview/app_settings/shaders/class1/deferred/materialF.glsl

@@ -142,7 +142,7 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe
 		float dist = d/la;
 		float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
 		dist_atten *= dist_atten;
-		dist_atten *= 1.4;
+		dist_atten *= 2.0;
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);