jpackage must handle win32 mangled names in jli.dll

32-bit builds of the JDK will still be around for some time. To that end jpackage should also work with them.

As pointed out in [1], the function names are mangled and built packages won't start.

[1] https://mail.openjdk.java.net/pipermail/build-dev/2019-July/025899.html