git: openjdk/mobile: 8234323: NULL-check return value of SurfaceData_InitOps on macosx

[duke]

Changeset: 227d57e5
Author:    Matthias Baesken <mbaesken at openjdk.org>
Date:      2019-11-19 09:56:43 +0000
URL:       https://git.openjdk.java.net/mobile/commit/227d57e5

8234323: NULL-check return value of SurfaceData_InitOps on macosx

Reviewed-by: clanger

! src/java.desktop/macosx/native/libawt_lwawt/awt/ImageSurfaceData.m
! src/java.desktop/macosx/native/libawt_lwawt/awt/PrinterSurfaceData.m