dns-query now represents SOA integers as integers (Bug#38937)
* lisp/net/dns.el (dns-read-int32): Declare obsolete. Assume bignums. (dns-read-type): Represent SOA integers as integers, not strings.
* lisp/net/dns.el (dns-read-int32): Declare obsolete. Assume bignums. (dns-read-type): Represent SOA integers as integers, not strings.