Eliminate this kind of waring by enlarge string size. Signed-off-by: yidong0635 <dongx.yi@intel.com> Change-Id: Ib6d4d031fc635ce15e996d606f5164f682ec34b9 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2426 Community-CI: Mellanox Build Bot Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: GangCao <gang.cao@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>