align max frame for mirror protocol to what the code does

Signed-off-by: Andy Green <andy.green@linaro.org>
diff --git a/test-server/test-client.c b/test-server/test-client.c
index ab6f2f7..7d2a5ea 100644
--- a/test-server/test-client.c
+++ b/test-server/test-client.c
@@ -172,7 +172,7 @@
 		"lws-mirror-protocol",
 		callback_lws_mirror,
 		0,
-		4096,
+		128,
 	},
 	{ NULL, NULL, 0, 0 } /* end */
 };
diff --git a/test-server/test-server.c b/test-server/test-server.c
index be01966..e272cd3 100644
--- a/test-server/test-server.c
+++ b/test-server/test-server.c
@@ -466,7 +466,7 @@
 		"lws-mirror-protocol",
 		callback_lws_mirror,
 		sizeof(struct per_session_data__lws_mirror),
-		4096,
+		128,
 	},
 	{ NULL, NULL, 0, 0 } /* terminator */
 };