command line parametr with whitespace

[shirleyquirk]

There is a bug in `parseCmdLine` when not on windows.

<https://github.com/nim-lang/Nim/issues/14343>

[this 
line](https://github.com/nim-lang/Nim/blob/e0328e28ee6b3fbfea812ffc2ce435ff76ccbc5a/lib/pure/os.nim#L2830)
 should probably be:
    
    
    while i < c.len and c[i] > ' ' and not (c[i] in  {'\'','"'} ):
    
    
    Run