Correct whitespace error

roles/webmail/tasks/roundcube.yml

@@ -13,13 +13,13 @@
   - roundcube-plugins
   when: ansible_distribution_release == 'wheezy'
 
- - name: Install Roundcube on Ubuntu 14.04 LTS
-   apt: pkg={{ item }} state=latest
-   with_items:
-   - roundcube
-   - roundcube-pgsql
-   - roundcube-plugins
-   when: ansible_distribution_release == 'trusty'
+- name: Install Roundcube on Ubuntu 14.04 LTS
+  apt: pkg={{ item }} state=latest
+  with_items:
+  - roundcube
+  - roundcube-pgsql
+  - roundcube-plugins
+  when: ansible_distribution_release == 'trusty'
 
 - name: Configure Roundcube database
   template: src={{ item.src }} dest={{ item.dest }} group={{ item.group }} mode={{ item.mode }} owner=root force=yes