Restore double * for openstack.cinder tag

Change-Id: If15b69da71436143b58f910a41cbba641e796be0
diff --git a/cinder/meta/fluentd.yml b/cinder/meta/fluentd.yml
index 3dd8979..2ac0624 100644
--- a/cinder/meta/fluentd.yml
+++ b/cinder/meta/fluentd.yml
@@ -13,7 +13,7 @@
             port: 24224
         match:
           route_openstack_cinder:
-            tag: openstack.cinder.*
+            tag: openstack.cinder.**
             type: relabel
             label: openstack_cinder
 {%- if apache_wsgi %}