testsuite/du/du-k-works

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