[jfx11u] Integrated: 8281089: JavaFX built with VS2019 and jlinked into JDK 11.x fails to start

[Kevin Rushforth]

Clean backport to `jfx11u`. I tested this along with the other VS 2019 and WebKit 613.1 fixes together in the `test-kcr-11.0.15` branch.

-------------

Commit messages:
 - 8281089: JavaFX built with VS2019 and jlinked into JDK 11.x fails to start

Changes: https://git.openjdk.java.net/jfx11u/pull/75/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=75&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8281089
  Stats: 125 lines in 2 files changed: 74 ins; 39 del; 12 mod
  Patch: https://git.openjdk.java.net/jfx11u/pull/75.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/75/head:pull/75

PR: https://git.openjdk.java.net/jfx11u/pull/75