hg: openjfx/8u-dev/rt: 8211304: [macOS] Crash on focus loss from dialog on macOS 10.14 Mojave

[kevin.rushforth at oracle.com]

Changeset: 235466cbe382
Author:    kcr
Date:      2018-11-07 11:46 -0800
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/235466cbe382

8211304: [macOS] Crash on focus loss from dialog on macOS 10.14 Mojave
Reviewed-by: arajkumar, mbilla

! modules/graphics/src/main/native-glass/mac/GlassTouches.m