modified detection

• 198926redhat_unpatched_snakeyaml-rhel7.nasl • 1.3
• 199660redhat_unpatched_systemd-rhel7.nasl • 1.2
• 199609redhat_unpatched_systemd-rhel8.nasl • 1.2
• 198560redhat_unpatched_php-rhel4.nasl • 1.3
• 198485redhat_unpatched_php-rhel5.nasl • 1.4
• 202270redhat_unpatched_php-rhel6_module.nasl • 1.3
• 198558redhat_unpatched_php-rhel6.nasl • 1.6
• 202267redhat_unpatched_php-rhel7_module.nasl • 1.3
• 198511redhat_unpatched_php-rhel7.nasl • 1.4
• 202269redhat_unpatched_php-rhel8_module.nasl • 1.3
• 198546redhat_unpatched_php-rhel8.nasl • 1.4
• 198457redhat_unpatched_php-rhel9.nasl • 1.4
• 199256redhat_unpatched_kernel-rhel4.nasl • 1.5
• 199257redhat_unpatched_kernel-rhel5.nasl • 1.7
• 199273redhat_unpatched_kernel-rhel6.nasl • 1.9
• 199280redhat_unpatched_kernel-rhel7.nasl • 1.11
• 199272redhat_unpatched_kernel-rhel8.nasl • 1.10
• 199265redhat_unpatched_kernel-rhel9.nasl • 1.12