blockjob: correctly report active commit for job info

Commit 232a31be munged job info to report 'active commit' instead of
'commit' when generating events, but forgot to also munge the polling
variant of the command.

* src/qemu/qemu_driver.c (qemuDomainBlockJobImpl): Adjust type as
needed.
Signed-off-by: NEric Blake <eblake@redhat.com>
(cherry picked from commit e8cc9730)

src/qemu/qemu_driver.c

@@ -15103,6 +15103,9 @@ qemuDomainBlockJobImpl(virDomainObjPtr vm,
     ret = qemuMonitorBlockJob(priv->mon, device, basePath, backingPath,
                               bandwidth, info, mode, async);
     qemuDomainObjExitMonitor(driver, vm);
+    if (info && info->type == VIR_DOMAIN_BLOCK_JOB_TYPE_COMMIT &&
+        disk->mirrorJob == VIR_DOMAIN_BLOCK_JOB_TYPE_ACTIVE_COMMIT)
+        info->type = disk->mirrorJob;
     if (ret < 0) {
         if (mode == BLOCK_JOB_ABORT && disk->mirror)
             disk->mirrorState = VIR_DOMAIN_DISK_MIRROR_STATE_NONE;