lint: Fix prefix for registered var in ssh

roles/ssh/tasks/main.yml

@@ -20,12 +20,12 @@
 - name: Ensure SSH ports are opened.
   ansible.builtin.command: "firewall-cmd --permanent --service=ssh --add-port={{ item }}/tcp"
   become: true
-  changed_when: 'firewalld_direct_result.stderr is defined and "ALREADY_ENABLED" not in firewalld_direct_result.stderr'
+  changed_when: 'ssh_firewalld_direct_result.stderr is defined and "ALREADY_ENABLED" not in ssh_firewalld_direct_result.stderr'
   with_items: "{{ ssh_server_ports }}"
   when:
     - ssh_server_ports is defined
     - ssh_open_ports
-  register: firewalld_direct_result
+  register: ssh_firewalld_direct_result
   notify:
     - Reload firewalld