Prevent rtcwake to go to crust when not expected

If you unlock the phone in rtcwake, then the next rtcwake will put the
phone back to crust cause last wake up reason still is rtc.

To prevent this, we also check the last state and expect it to be crust.

Signed-off-by: Stacy Harper <contact@stacyharper.net>
Signed-off-by: Anjandev Momi <anjan@momi.ca>

scripts/core/sxmo_rtcwake.sh

@@ -11,12 +11,12 @@ finish() {
 
 	sxmo_screenlock.sh updateLed
 
-	if grep -q rtc "$UNSUSPENDREASONFILE"; then
+	if grep -q crust "$LASTSTATE" \
+		&& grep -q rtc "$UNSUSPENDREASONFILE" \
+		&& [ "$(sxmo_screenlock.sh getCurState)" != "unlock" ]; then
 		# Going back to crust
-		if [ "$(sxmo_screenlock.sh getCurState)" != "unlock" ]; then
 		sxmo_screenlock.sh crust
 	fi
-	fi
 
 	exit 0
 }