There are several places where a message's out_msg_pos or in_msg_pos
field is used repeatedly within a function. Use a local pointer
variable for this purpose to unclutter the code.
This and the upcoming cleanup patches are related to:
http://tracker.ceph.com/issues/4403
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>