[agent] Minor fix for session log to be in the correct place.
[agent] Minor fix for session log to be in the correct place.

Signed-off-by: Anshul Pundir <b83733ec9a5dc60cc9eb3ca9cb86ec17acc0a878@docker.com>

dperny/swarmkit-1,alyyousuf7/swarmkit,docker/swarmkit,docker/swarmkit,alyyousuf7/swarmkit,dperny/swarmkit-1