Since it's being called with QEMU_ASYNC_JOB_NONE which is what
qemuDomainObjEnterMonitor is going to use with the internal helper,
let's use that one instead.
Signed-off-by: NErik Skultety <eskultet@redhat.com>
Reviewed-by: NMarc Hartmayer <mhartmay@linux.ibm.com>