Workaround compilation problem with recent MinGW.
Enable Windows security features (NX etc.) in builds.

Enable dynamicbase, nxcompat and noseh options to have more secure
binaries.  With these changes, they pass Windows App Certification Kit
checks successfully.
Apply xgettext patch to parse PHP heredoc syntax.

See https://savannah.gnu.org/bugs/index.php?41406
Increase version to 0.18.3.2-1 (patch release).

Use .201 for nuget, because it doesn't allow - or 5 components.