IPv6 address in HostsFile not working

Describe the bug When IPv6 address is in HostsFile Server quits after first attempted connection with log line: Main: unable to resolve host by name: Name or service not known

To Reproduce Steps to reproduce the behavior: Create HostsFile containing two lines: +IPv6 address - run x0vncserver with -HostsFile option

Try to connect.

Expected behavior Server parses IPv6 address and does not quit.

Server (please complete the following information):

• OS: Linux Mint
• VNC server: TigerVNC Server
• VNC server version: 1.10.1
• Server downloaded from: Ubuntu apt repository
• Server was started using: x0vncserver

Additional context I think this might be caused by too short readline here 32 chars is to little for IPv6 address (although i don't know if this is the only problem with parsing). Log line might be coming from here or here

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