Fix #3867, both for ERROR_NOT_READY and ERROR_INVALID_DRIVE. These happen when CD/DVD drive has no disc and USB card reader has no card, respectively.

[SVN r62218]

libs/filesystem

@@ -1 +1 @@
-Subproject commit 7aed6d4ed73710fb2af12a6c2cb3f85d172c8f4f
+Subproject commit ac5729f7fec6e1391adb5ff2a6f40e1e45763063