GlusterFS: Check for namespace if deploying a StorageClass

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1476197

Signed-off-by: Jose A. Rivera <jarrpa@redhat.com>

roles/openshift_storage_glusterfs/tasks/glusterfs_common.yml

@@ -15,7 +15,7 @@
   oc_project:
     state: present
     name: "{{ glusterfs_namespace }}"
-  when: glusterfs_is_native or glusterfs_heketi_is_native
+  when: glusterfs_is_native or glusterfs_heketi_is_native or glusterfs_storageclass
 
 - name: Delete pre-existing heketi resources
   oc_obj: