voxel gi fix

WickedEngine/lightingHF.hlsli

@@ -921,7 +921,7 @@ inline void VoxelGI(in Surface surface, inout Lighting lighting)
 		{
 			float4 reflection = ConeTraceReflection(texture_voxelradiance, surface.P, surface.N, surface.V, surface.roughness);
 
-			lighting.indirect.specular = lerp(lighting.indirect.specular, reflection.rgb, reflection.a * blend);
+			lighting.indirect.specular = lerp(lighting.indirect.specular, reflection.rgb * surface.F, reflection.a * blend);
 		}
 	}
 }

WickedEngine/wiVersion.cpp

@@ -9,7 +9,7 @@ namespace wiVersion
 	// minor features, major updates, breaking compatibility changes
 	const int minor = 52;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 18;
+	const int revision = 19;
 
 	const std::string version_string = std::to_string(major) + "." + std::to_string(minor) + "." + std::to_string(revision);