EX-4863 lipe: initialize cmd in lamigo_dump_jobs()

EX-4863 lipe: initialize cmd in lamigo_dump_jobs()

Fix an uninitialized use of cmd in lamigo_dump_jobs().

Test-Parameters: trivial testlist=hot-pools
Fixes: 8a29c986eb ("EX-4103 lamigo: rename some "check" functions")
Change-Id: I79c32d9b32a0a06fbd72c0b6dd21d8c6919aebc6
Signed-off-by: John L. Hammond <jhammond@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/46554
Reviewed-by: Alexandre Ioffe <aioffe@ddn.com>
Reviewed-by: Jian Yu <yujian@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>