socket: fix osmo_sock_init with SOCK_RAW and IPPROTO_RAW

getaddrinfo returns EAI_SERVICE (-8) if that combination is used.

More information available in here:

http://sourceware.org/bugzilla/show_bug.cgi?id=15015

Reported by Holger Hans Peter Freyther.

While at it, this patch also removes hints.ai_flags = 0 as memset
to zero already happened just a bit before that.
1 file changed