Upstream switched to GitHub and changed their tarball. Adjusted.

Refreshed patches.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Removed some whitespace and refreshed patches, which was forgotten during
the bump. No actual changes so no release bump.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

- clear build host and user info
- clear compiler flags
- set date to SOURCE_DATE_EPOCH

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>

- build from original tarball
- fix ipv6 support: enable if not completely disabled
- drop useless LSOF_INCLUDE override

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>