This change fixes bug when $CURDIR contains special character e.g. '&&'.
Change-Id: I658eb60d97c2229cf8b4e0a61dbbecf3edc9d573
Signed-off-by: Fangming.Fang <fangming.fang@arm.com>
Upstream-commit: 83062593d7ce759bb96e271e30460afa4a695dba
Component: engine