[1/3] kernel32/heap: Emulate Win9x if appropriate in GlobalMemoryStatusEx(). (try 2)

[Juan Lang]

> Ha!  Quite right, thanks!

If that's what you want, then an easier check is to use GetVersion()
rather than GetVersionEx.  (GetVersion() & 0x80000000) is true under
Win9x, false under any NT version.  See many checks like this in e.g.
kernel32.
--Juan