Use a non-blocking example instead of blocking

The non-blocking example is more interesting in the X applications.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
diff --git a/src/test.c b/src/test.c
index 3a23db3..1b67986 100644
--- a/src/test.c
+++ b/src/test.c
@@ -35,8 +35,8 @@
 		fprintf(stderr, "error: could not open device\n");
 		return;
 	}
-	while (mtdev_pull(&mt.dev, fd, 1) > 0) {
-		if (parse_event(&mt)) {
+	while (!mtdev_idle(&mt.dev, fd, 5000)) {
+		while (read_packet(&mt, fd) > 0) {
 			extract_gestures(&gs, &mt);
 			output_gesture(&gs);
 		}