fix cnp bug

playbooks/roles/edxapp/templates/cms.conf.j2

@@ -7,7 +7,7 @@
 {% endif %}
 
 {% if EDXAPP_WORKERS -%}
-command={{ executable }} --preload -b {{ edxapp_lms_gunicorn_host }}:{{ edxapp_lms_gunicorn_port }} -w {{ EDXAPP_WORKERS.cms }} --timeout=300 --pythonpath={{ edxapp_code_dir }} lms.wsgi
+command={{ executable }} --preload -b {{ edxapp_cms_gunicorn_host }}:{{ edxapp_cms_gunicorn_port }} -w {{ EDXAPP_WORKERS.cms }} --timeout=300 --pythonpath={{ edxapp_code_dir }} cms.wsgi
 {% else -%}
 {# This is for backwards compatibility, set workers explicitely using EDXAPP_WORKERS #}
 {% if ansible_processor|length > 0 -%}