k0: add missing curly brace termination in woju's S3 user name

Change-Id: Ib2752d798f6e23493daee446a834e244f858330e
diff --git a/cluster/kube/k0.libsonnet b/cluster/kube/k0.libsonnet
index cd7d698..ad6b735 100644
--- a/cluster/kube/k0.libsonnet
+++ b/cluster/kube/k0.libsonnet
@@ -360,6 +360,7 @@
                         store: "waw-hdd-redundant-3-object",
                         displayName: "woju",
                     },
+                },
                 # cz3's (patryk@hackerspace.pl) personal user
                 cz3Waw3: kube.CephObjectStoreUser("cz3") {
                     metadata+: {