testsuite/du/du-k-works

mkdir du.testdir
cd du.testdir
dd if=/dev/zero of=file1 bs=1k count=64 2>/dev/null
dd if=/dev/zero of=file2 bs=1k count=16 2>/dev/null
test x"`busybox du -k .`" = x"80	." \
  -o x"`busybox du -k .`" = x"88	."