sunos: fix uv_udp_set_ttl and uv_udp_multicast_ttl
sunos: fix uv_udp_set_ttl and uv_udp_multicast_ttl

The argument to setsockopt(IP_TTL|IP_MULTICAST_TTL) should be a char, not an int
like on other Unices.

unknownbrackets/maxcso,urbit/archaeology2,unknownbrackets/maxcso,urbit/archaeology2,urbit/archaeology2,unknownbrackets/maxcso,unknownbrackets/maxcso,unknownbrackets/maxcso,urbit/archaeology2,urbit/archaeology2,urbit/archaeology2,urbit/archaeology2,unknownbrackets/maxcso,urbit/archaeology2,unknownbrackets/maxcso,urbit/archaeology2