test: When priting help for enter-pin, exit

diff --git a/test/enter-pin b/test/enter-pin
index 0bfe112..fea15e0 100755 (executable)
--- a/test/enter-pin
+++ b/test/enter-pin
@@ -18,6 +18,7 @@ elif len(sys.argv) == 3:
        pin = sys.argv[2]
 else:
        print "%s [PATH] pin_type pin" % (sys.argv[0])
+       sys.exit(0)
 
 print "Enter Pin for modem %s..." % path
 simmanager = dbus.Interface(bus.get_object('org.ofono', path),