bpo-40677: Define IO_REPARSE_TAG_APPEXECLINK explicitly (GH-20206)
This allows building with older versions of the Windows SDK where the value is not defined.
diff --git a/Misc/NEWS.d/next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst b/Misc/NEWS.d/next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst
new file mode 100644
index 0000000..a09cb24
--- /dev/null
+++ b/Misc/NEWS.d/next/Windows/2020-05-19-04-11-12.bpo-40677.qQbLW8.rst
@@ -0,0 +1 @@
+Manually define IO_REPARSE_TAG_APPEXECLINK in case some old Windows SDK doesn't have it.
\ No newline at end of file
diff --git a/Modules/_stat.c b/Modules/_stat.c
index c7090c0..546e6a5 100644
--- a/Modules/_stat.c
+++ b/Modules/_stat.c
@@ -40,6 +40,10 @@
# define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x20000
#endif
+#ifndef IO_REPARSE_TAG_APPEXECLINK
+# define IO_REPARSE_TAG_APPEXECLINK 0x8000001BL
+#endif
+
#endif /* MS_WINDOWS */
/* From Python's stat.py */