auhal: do not change volume when muted (cherry picked from commit fce950fc907a5fdab50b866900d7123d47c37357)
auhal: do not change volume when muted
(cherry picked from commit fce950fc907a5fdab50b866900d7123d47c37357)

Signed-off-by: David Fuhrmann <1118fa3e4e403c0aeed361cc3f3eb9aca4cc425c@googlemail.com>

vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,jomanmuk/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,vlc-mirror/vlc-2.1,vlc-mirror/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1,jomanmuk/vlc-2.1,vlc-mirror/vlc-2.1,jomanmuk/vlc-2.1