test/nvme: fix "ExIT" typo in trap statement

Change-Id: Ia9ea94a1dc4e583710374d453302319aa59ce62a
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/368206
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>

test/lib/nvme/nvme.sh

@@ -18,7 +18,7 @@ timing_enter nvme
 if [ `uname` = Linux ]; then
 	start_stub "-s 2048 -i 0 -m 0xF"
 	sleep $app_start
-	trap "kill_stub; exit 1" SIGINT SIGTERM ExIT
+	trap "kill_stub; exit 1" SIGINT SIGTERM EXIT
 fi
 
 if [ $RUN_NIGHTLY -eq 1 ]; then