message: Vulkan: minor fix for diagnostic output.
diff: @@ -77,7 +77,7 @@ VulkanProgram::VulkanProgram(VulkanContext& context, const Program& builder) noe
  #if FILAMENT_VULKAN_VERBOSE
  utils::slog.d << "Created VulkanProgram " << builder.getName().c_str()
  << ", variant = (" << utils::io::hex
  - << builder.getVariant() << utils::io::dec << "), "
  + << (int) builder.getVariant() << utils::io::dec << "), "
  << "shaders = (" << bundle.vertex << ", " << bundle.fragment << ")"
  << utils::io::endl;
  #endif
  