Unable to pull out the unknown ports or services displayed in xml nmap output to csv

[spattag]

I am unable to get the unknown services avialable on an ip address . Can anyone help me to pull out the unknown services which we get the xml output to csv as well . what are the changes need to be made in code . help me with change please.......

[spattag]

please help me out with any changes .

[stefan-wuensch]

@spattag See my PR #12