make line parser continue not return empty strings or strings that only contain '\n'
make line parser continue not return empty strings or strings that only contain '\n'


NLnetLabs/ldns,threatstack/libldns,threatstack/libldns,gegenschall/ldns,benlaurie/ldns,NLnetLabs/ldns,NLnetLabs/ldns,threatstack/libldns,threatstack/libldns,benlaurie/ldns,benlaurie/ldns,gegenschall/ldns,gegenschall/ldns,gegenschall/ldns,threatstack/libldns,benlaurie/ldns,NLnetLabs/ldns