fy2462 1f29278b9e Fix bug: exec non-exist command miss a "\n" ...

When exec a non-exist command, it should print a newline at last.

Currently:
```
$ docker exec -ti f5f703ea2c0a144 bash
rpc error: code = 2 desc = "oci runtime error: exec failed: exec:
\"bash\": executable file not found in $PATH"$
```

Signed-off-by: Feng Yan <fy2462@gmail.com>
Upstream-commit: 8bf5613c1aca634e517e895e90e74f4263cf030f
Component: engine

2016-04-28 16:39:00 +08:00

components/engine

Fix bug: exec non-exist command miss a "\n"

2016-04-28 16:39:00 +08:00

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