netconf BUGFIX forward get_data errors to client (#628) (#631)
netconf BUGFIX forward get_data errors to client (#628) (#631)

When error details are set by the client application that provide the
requested data, forward them to the netconf client.

Signed-off-by: Robin Jarry <469d6d325cc59f9b92eabc4e99fb576bc1f833c8@6wind.com>
CESNET/Netopeer2,CESNET/Netopeer2