[aarch64-port-dev ] hg: aarch64-port/jdk9/hotspot: Fix thinko in Atomic::xchg_ptr.

[aph at redhat.com]

Changeset: e95bdb68cbdc
Author:    aph
Date:      2014-09-09 18:50 +0100
URL:       http://hg.openjdk.java.net/aarch64-port/jdk9/hotspot/rev/e95bdb68cbdc

Fix thinko in Atomic::xchg_ptr.

! src/os_cpu/linux_aarch64/vm/atomic_linux_aarch64.inline.hpp