qemu: Allow ACPI shutdown only for running domains

If the domain is not running, but for example the CPUs are stopped, the
ACPI event gets queued and resume of the domain will just shut it off.

https://bugzilla.redhat.com/show_bug.cgi?id=1216281Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

src/qemu/qemu_driver.c

@@ -2042,7 +2042,7 @@ static int qemuDomainShutdownFlags(virDomainPtr dom, unsigned int flags)
     if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0)
         goto cleanup;
 
-    if (!virDomainObjIsActive(vm)) {
+    if (virDomainObjGetState(vm, NULL) != VIR_DOMAIN_RUNNING) {
         virReportError(VIR_ERR_OPERATION_INVALID,
                        "%s", _("domain is not running"));
         goto endjob;