Revert "compare_rr_rrset: use strncasecmp rather than memcmp"
Revert "compare_rr_rrset: use strncasecmp rather than memcmp"

This reverts commit 1b48c2ac62f4bb0a900b607de145b54017a53dc7.

hstern/wdns,d4s/wdns,hstern/wdns,d4s/wdns,hstern/wdns,d4s/wdns,hstern/wdns