res_nsend and res_send are both not available in uClibc-ng as configured
in OpenWrt. Having this function return an error is the only sensible way
to fix.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

This patch enables support of OpenSSL 1.1+ with and without
deprecated OpenSSL APIs.

Signed-off-by: Val Kulkov <val.kulkov@gmail.com>

The patch was accepted upstream for the next release.

Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>