test/ring-leak: silence "sending fd" message

We assume that a silent test is good.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

test/ring-leak.c

@@ -95,11 +95,8 @@ int main(int argc, char *argv[])
 	}
 
 	pid = fork();
-	if (pid) {
+	if (pid)
-		printf("Sending fd %d\n", ring_fd);
-
 		send_fd(sp[0], ring_fd);
-	}
 
 	close(ring_fd);
 	close(sp[0]);