Fix #344: make the os_env_umask variable usable again

Signed-off-by: Sylvain Prat <[email protected]>

roles/os_hardening/defaults/main.yml

@@ -271,6 +271,9 @@ os_filesystem_whitelist: []
 # the Ansible role dependency mechanism.
 os_hardening_enabled: true
 
+# Set the umask you want to apply, or leave empty to use the defaults.
+os_env_umask: ''
+
 # Set to false to disable installing and configuring auditd.
 os_auditd_enabled: true
 os_auditd_max_log_file_action: keep_logs