tests: Call res_nclose() in test_res_query_search.c.
tests: Call res_nclose() in test_res_query_search.c.

The res_query and res_nsearch unit tests didn't call res_nclose as
appropriate, leading to a resource leak.

Signed-off-by: Jakub Hrozek <17cd138b925932d6ed84ede56550124a0b538ee0@gmail.com>
Reviewed-by: Andreas Schneider <5be00ddc76278cf6077f5047ca3384a88460c671@samba.org>
Reviewed-by: Michael Adam <dcf2bf3ff8ea93047d51252815aac9756207ea09@samba.org>

jhrozek/resolv_wrapper