Fix bug which can occur if writing 32 bits at once when bit_left is 32. Josh Coalson found the bug in Flake, which uses the same bit writer as Aften.
Fix bug which can occur if writing 32 bits at once when bit_left is 32. Josh Coalson found the bug in Flake, which uses the same bit writer as Aften.

git-svn-id: dea4c50957f75874cf9791776be29d2e34106c50@263 ef0d8562-5c19-0410-972e-841db63a069c

buserror/aften,buserror/aften,buserror/aften