core/firewalld: use changeZoneOfInterface() instead of deprecated changeZone()
man firewalld.dbus
comments that changeZone() is deprecated.
Apparently, this is the case since 0.3.3-1 (2013).
man firewalld.dbus
comments that changeZone() is deprecated.
Apparently, this is the case since 0.3.3-1 (2013).