jvms: Fix workload.argument handling of cmdline.
jvms: Fix workload.argument handling of cmdline.

Workload arguments were added only if classpath was empty.

Signed-off-by: Michael Markert <5eb998b7ac86da375651a4cd767b88c9dad25896@googlemail.com>

fhirschmann/penchy,fhirschmann/penchy