Merge pull request #6325 from sosiouxme/20171201-glusterfs-bug

storage_glusterfs: fix typo

roles/openshift_storage_glusterfs/tasks/glusterfs_config.yml

@@ -44,6 +44,6 @@
     glusterfs_heketi_ssh_sudo: "{{ openshift_storage_glusterfs_heketi_ssh_sudo | bool }}"
     glusterfs_heketi_ssh_keyfile: "{{ openshift_storage_glusterfs_heketi_ssh_keyfile }}"
     glusterfs_heketi_fstab: "{{ openshift_storage_glusterfs_heketi_fstab }}"
-    glusterfs_nodes: "{{ groups.glusterfs | default([]]) }}"
+    glusterfs_nodes: "{{ groups.glusterfs | default([]) }}"
 
 - include: glusterfs_common.yml