Fix wrong feature config query
use super::d3d;
#[cfg(feature = "gl")]
use super::gl;
-#[cfg(feature = "vk")]
+#[cfg(feature = "vulkan")]
use super::vk;
use super::{BackendRenderTarget, BackendSurfaceMutableState, BackendTexture};
use crate::gpu::{BackendFormat, MipMapped, Renderable};
