doh-client/google.go: [JSON-DOH] Fix DNS response empty []RR.Name
doh-client/google.go: [JSON-DOH] Fix DNS response empty []RR.Name

Cloudflare JSON DOH may return empty RR names if r.Question[0].Name is "."
Which causes malformed DNS response

m13253/dns-over-https,m13253/dns-over-https,m13253/dns-over-https