Fix bug related to issue dev-sec#537

Signed-off-by: Mahdi Abbasi <mahdi.abbasi.2013@gmail.com>

Author: MahdiAbbasi95

roles/os_hardening/tasks/hardening.yml

@@ -115,5 +115,4 @@
   import_tasks: selinux.yml
   tags: selinux
   when:
-    - ansible_facts.selinux.status == 'enabled'
     - os_selinux_enabled | bool

roles/os_hardening/tasks/selinux.yml

@@ -1,5 +1,10 @@
 ---
+- name: Gather the package facts
+  package_facts:
+    manager: auto
+
 - name: Configure selinux | selinux-01
   selinux:
     policy: "{{ os_selinux_policy }}"
     state: "{{ os_selinux_state }}"
+  when: "'libselinux' in ansible_facts.packages"