Yong Tang 7899bc9ada Fix crash caused by docker service inspect --pretty ...

This fix tries to fix the crash caused by `docker service inspect --pretty`,
by performing necessary nil pointer check.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: 4488d9f9fb
Component: cli

2016-11-16 17:26:03 -08:00

..

cli

Fix crash caused by docker service inspect --pretty

2016-11-16 17:26:03 -08:00