[aarch64-port-dev ] RFR: AARCH64: jdk9 fails to build from source

[Edward Nevill]

Hi,

The following webrev fixes a build failure in jdk9/aarch64

http://cr.openjdk.java.net/~enevill/8076488/webrev/

Issue report here

https://bugs.openjdk.java.net/browse/JDK-8076488

Please review and push if appropriate.

Thanks,
Ed.