radv: Add <io.h> on WIndows for missing close()

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6162>

src/amd/vulkan/radv_device.c

@@ -37,6 +37,7 @@
 #include "vk_util.h"
 #ifdef _WIN32
 typedef void *drmDevicePtr;
+#include <io.h>
 #else
 #include <amdgpu.h>
 #include <xf86drm.h>