client.sh: exit on any error status

This prevents the client script from continuously invoking
the fail-client when it is not executable, e.g., in the case
of missing libraries.

Change-Id: I2746eaf1980507dbd7c95fb5a6a1cc018a33aa67

scripts/client.sh

@@ -51,7 +51,7 @@ do
 		#nice -n 19 ./bochs -q 2>&1 | tee log.$$.txt | fgrep Result
 		#nice -n 18 ./bochs -q 2>&1 | fgrep Result
 		nice -n 18 ./fail-client -q >/dev/null 2>&1
-		if [ $? -eq 1 ]
+		if [ $? -gt 0 ] # exit on any error
 		then
 			break
 		fi