rwrap: Support asking for A via CNAME
rwrap: Support asking for A via CNAME

Adds support for querying for an A record using a name that only expands
into a CNAME.

Signed-off-by: Jakub Hrozek <17cd138b925932d6ed84ede56550124a0b538ee0@gmail.com>
Reviewed-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@samba.org>
Reviewed-by: Guenther Deschner <43d3eca42d0f0dd2d0eedd4268aa3e31b36c5583@samba.org>

jhrozek/resolv_wrapper