sys-apps/busybox: Fix busybox ebuilds to use the fix described in bug 346953 comment 8.

(Portage version: 2.2.0_alpha27-r1/hg/Linux x86_64, signed Manifest commit with key 6BA81050)

sys-apps/busybox: Bump to busybox-1.18.3.

(Portage version: 2.2.0_alpha26-r1/hg/Linux x86_64, signed Manifest commit with key 6BA81050)

sys-apps/busybox: Bump to -r1 reflecting the last change.

(Portage version: 2.2.0_alpha26-r1/hg/Linux x86_64, signed Manifest commit with key 6BA81050)

sys-apps/busybox: Import patches from portage which I was missing earlier.

(Portage version: 2.2.0_alpha26-r1/hg/Linux x86_64, signed Manifest commit with key 6BA81050)

sys-apps/busybox: Fix busybox ldflags/cflags patch to respect CFLAGS when necessary.

(Portage version: 2.2.0_alpha2-r1/hg/Linux x86_64, signed Manifest commit with key 6BA81050)

sys-apps/busybox: Add LDFLAGS/LD patch so that busybox links using gcc instead of ld and compiles fine under portage-multilib.

(Portage version: 2.2.0_alpha2-r1/hg/Linux x86_64, signed Manifest commit with key 6BA81050)

sys-apps/busybox: Import busybox-1.18.1 from portage.

(Portage version: 2.2.0_alpha2-r1/hg/Linux x86_64, signed Manifest commit with key 6BA81050)