qemuDomainRename: Don't leave a domain locked uppon fail

Well, yet again one case of 'goto cleanup' while 'goto endjob'
was needed. Sorry.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_driver.c

@@ -19943,7 +19943,7 @@ static int qemuDomainRename(virDomainPtr dom,
     if (STREQ(vm->def->name, new_name)) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                        _("Can't rename domain to itself"));
-        goto cleanup;
+        goto endjob;
     }
 
     if (VIR_STRDUP(new_dom_name, new_name) < 0)