- Rename 'oset_test' as 'unit_oset' to make its meaning more clear.
- Remove VG_(atoll36), VG_(strtoll8)() and VG_(strtoll36)(); they're not
used and so untested, but easy to crib from similar functions if they need
to be added again later.
git-svn-id: svn://svn.valgrind.org/valgrind/trunk@9204