hg: openjfx/9-dev/rt: 8172658: Need to check the return value of GetPrimitiveArrayCritical before using it

[chien.yang at oracle.com]

Changeset: aecac095fe44
Author:    ckyang
Date:      2017-01-23 17:39 -0800
URL:       http://hg.openjdk.java.net/openjfx/9-dev/rt/rev/aecac095fe44

8172658: Need to check the return value of GetPrimitiveArrayCritical before using it
Reviewed-by: kcr, prr

! modules/javafx.graphics/src/main/native-font/pango.c
! modules/javafx.graphics/src/main/native-glass/lens/LensCursor.c
! modules/javafx.graphics/src/main/native-iio/jpegloader.c