+ test-open: support mingw errno values
+ * tests/test-open.h (test_open): Relax test.
+ * tests/test-fopen.h (test_fopen): Likewise.
+ * tests/test-openat-safer.c (main): Likewise.
+
+ open: fix opening directory on mingw
+ * lib/open.c (open) [REPLACE_OPEN_DIRECTORY]: Correct typo.
+