[LTP] [PATCH v2 ltp] network/stress/ssh/ssh-stress01-rmt: fix shellcheck error

[Alexey Kodanev]

On 31.05.2018 05:37, Yixin Zhang wrote:
> testcases/network/stress/ssh/ssh-stress01-rmt:57:16: error: Since you
> double quoted this, it will not word split, and the loop will only run
> once. [SC2066]
> 
> Signed-off-by: Yixin Zhang <yixin.zhang@intel.com>
> ---

Applied, thanks!