modified detection

• 206674nutanix_NXSA-AOS-6_5_6_6.nasl • 1.5
• 141394apache_http_server_nix_installed.nbin • 1.308
• 181418openssh_detect.nbin • 1.72
• 122364python_http_remote_detection.nbin • 1.108
• 111549sendmail_detect.nbin • 1.119