RFR: 8266919: Gradle verification fails on windows x86

[Joeri Sykora]

This pull request fixes gradle verification failures when building JavaFX with a Windows 32-bit JDK.

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

Commit messages:
 - fix gradle verification for windows x86

Changes: https://git.openjdk.java.net/jfx/pull/494/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx&pr=494&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8266919
  Stats: 5 lines in 1 file changed: 5 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jfx/pull/494.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/494/head:pull/494

PR: https://git.openjdk.java.net/jfx/pull/494