hg: panama/dev: Fix vpshuf* assembler compiler warning

[razvan.a.lupusoru at intel.com]

Changeset: 841b527c55de
Author:    rlupusoru
Date:      2018-09-20 10:27 -0700
URL:       http://hg.openjdk.java.net/panama/dev/rev/841b527c55de

Fix vpshuf* assembler compiler warning

! src/hotspot/cpu/x86/assembler_x86.cpp