Add missing include guard to win32ntdll.h.
Oversight in commit
e2f0f8ed. Also add this file to the exclusion lists
in headerscheck and cpluscpluscheck, because Unix systems don't have a
header it includes.
Reported-by: Tom Lane <[email protected]>
Discussion: https://postgr.es/m/
2760528.
1641929756%40sss.pgh.pa.us
(cherry picked from commit
af9e6331aeba149c93052c3549140082a85a3cf9)
Author: Thomas Munro <
[email protected]>
Author: Alexandra Wang <
[email protected]>