Fix inet_ntop()/inet_pton() being called with an incorrect argument for
IPv6 addresses.
On Linux, the offset of the sin_addr and sin6_addr fields differ and
the confusion on the inet_ntop() call produces an erroneous IPv6 string
representation such as "0:0:2001:db8::". This is visible on the UI,
Settings -> Advanced -> Network -> Bind to IP.
The same goes for the inet_pton() call.
fb7a037bc8