uwsgi-python: fix wrongly configured mailapi

uwsgi-python/templates/apps/mail-api.j2

@@ -5,9 +5,9 @@ AD_USER_DN = '{{ mail_api_user_dn }}'
 AD_GROUP_DN = '{{ mail_api_group_dn }}'
 AD_CA_CERT = '{{ mail_api_ca_cert }}'
 
-MAIL = '{{ mail_api_maildirs }}'
+MAILDIRS = '{{ mail_api_maildirs }}'
 APPEND_PATH = '{{ mail_api_append_path }}'
-PERMISSIONS = 0o{{ mail_api_permissions }}
+PERMISSIONS = int(0o{{ mail_api_permissions }})
 SUB_MAILDIRS = [
 {% for sdir in mail_api_sub_maildirs %}
     '{{ sdir }}',