Fix vertex color for object_pass2

data/shaders/object_pass2.frag

@@ -8,7 +8,8 @@ vec3 getLightFactor(float specMapValue);
 
 void main(void)
 {
-    vec4 col = texture(Albedo, uv) * color;
+    vec4 col = texture(Albedo, uv);
+    col.xyz *= pow(color.xyz, vec3(2.2));
     vec3 LightFactor = getLightFactor(1.);
     FragColor = vec4(col.xyz * LightFactor, 1.);
 }