Log Message:
Update to 6.49

Upstream changes:
6.49      2020-09-24 00:27:56Z
    - Require network testing enabled for t/redirect.t (GH#351) (Olaf Alders)

6.48      2020-09-20 15:25:51Z
    - Support 308 Permanent Redirect (GH#349) (Galen Huntington)