Rename ref_count into flags in move_one_buffer to reduce mis-understanding of actual semantics.
Rename ref_count into flags in move_one_buffer to reduce
mis-understanding of actual semantics.

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@45968 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot