Fixes to ipsetbuild.c
Fixes to ipsetbuild.c

1. Chomped the `\n` from line after fgets(), which causes an error to
   inet_pton.
2. Incremented ip_count in the IPv4 and IPv6 logic if added to ipset.
3. Removed `g_free(line)` in IPv4 and IPv6 logic.

redjack/ipset,redjack/ipset,redjack/ipset