Bring back specular bloom.

--HG--
branch : BUG-226620

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

@@ -141,6 +141,7 @@ void main()
                 float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
                 vec3 speccol = sun_contrib*scol*spec.rgb;
                 speccol = max(speccol, vec3(0));
+                bloom = dot (speccol, speccol) / 2;
                 col += speccol;
             }
         }

indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl

@@ -154,6 +154,7 @@ void main()
                 float scontrib = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
                 vec3 speccol = sun_contrib*scontrib*spec.rgb;
                 speccol = max(speccol, vec3(0));
+                bloom += dot (speccol, speccol) / 2;
                 col += speccol;
             }
         }