dm mpath: cleanup -Wbool-operation warning in choose_pgpath()

commit d19a55ccad15a486ffe03030570744e5d5bd9f8e upstream.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 file changed