qemu: Adjust async job failure message

Make it clearer what asyncJob type was passed and what was expected.

Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_domain.c

@@ -6666,7 +6666,8 @@ qemuDomainObjBeginNestedJob(virQEMUDriverPtr driver,
 
     if (asyncJob != priv->job.asyncJob) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
-                       _("unexpected async job %d"), asyncJob);
+                       _("unexpected async job %d type expected %d"),
+                       asyncJob, priv->job.asyncJob);
         return -1;
     }