Merge pull request ansible#6994 from tonk/docfix

Fix documentation error

Author: mpdehaan

setup.py

@@ -39,6 +39,7 @@
       packages=[
          'ansible',
          'ansible.utils',
+         'ansible.utils.module_docs_fragments',
          'ansible.inventory',
          'ansible.inventory.vars_plugins',
          'ansible.playbook',