Windows error codes: Add two missing ones

For some reason these aren't in the mingw list.

We'll need them shortly.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

Author: ijackson

library/std/src/sys/windows/c/errors.rs

@@ -5,7 +5,9 @@
 
 use super::{c_int, DWORD};
 
+pub const ERROR_DIRECTORY_NOT_SUPPORTED: DWORD = 336;
 pub const ERROR_DRIVER_CANCEL_TIMEOUT: DWORD = 594;
+pub const ERROR_DISK_QUOTA_EXCEEDED: DWORD = 1295;
 pub const ERROR_RESOURCE_CALL_TIMED_OUT: DWORD = 5910;
 pub const FRS_ERR_SYSVOL_POPULATE_TIMEOUT: DWORD = 8014;
 pub const DNS_ERROR_RECORD_TIMED_OUT: DWORD = 9705;