hg: build-infra/jdk9/hotspot: Fix typo disabling special compilation of certain files on macoxs

[Magnus Ihse Bursie]

On 2015-12-14 10:31, ingemar.aberg at oracle.com wrote:
> Changeset: d4ebc314dad3
> Author:    iaberg
> Date:      2015-12-14 10:29 +0100
> URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/d4ebc314dad3
>
> Fix typo disabling special compilation of certain files on macoxs
>
> ! makefiles/JvmPlatforms.gmk
>
Oops! Thank you for finding this.

/Magnus