Tweak busybox-sed provides

Since some packages like fuse depends on sed >= 4 tweak busybox-sed provides to comply with them. This should not represent any issue since sed 4.0.5 was released in 2003 and basic functionality is already available in busybox-sed.

https://phabricator.apertis.org/T9693

Signed-off-by: Walter Lozano walter.lozano@collabora.com