git: openjdk/mobile: 8232060: add some initializations using sigemptyset in os_aix.cpp

[duke]

Changeset: 124bc7bb
Author:    Matthias Baesken <mbaesken at openjdk.org>
Date:      2019-10-10 08:46:07 +0000
URL:       https://git.openjdk.java.net/mobile/commit/124bc7bb

8232060: add some initializations using sigemptyset in os_aix.cpp

Reviewed-by: clanger, stuefe

! src/hotspot/os/aix/os_aix.cpp