Correct shellcheck rule SC2103: Use a ( subshell ) to avoid having to cd back. Signed-off-by: Maciej Wawryk <maciejx.wawryk@intel.com> Change-Id: I474e11f5753c3482c7924548ab7c0183d4ac419d Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/471437 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>