ncd: NCDInterpreter: use a STATEMENT_LOG macro to check whether we would actually log the message before calling  statement_log(). This improves performance.
ncd: NCDInterpreter: use a STATEMENT_LOG macro to check whether we would actually log the message before calling 
statement_log(). This improves performance.

Ernillew/badvpn,Ernillew/badvpn,Ernillew/badvpn,Ernillew/badvpn,Ernillew/badvpn