3DS: Add missing file

src/platform/3ds/socket.c

@@ -0,0 +1,8 @@
+/* Copyright (c) 2013-2014 Jeffrey Pfau
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+#include "util/socket.h"
+
+u32* SOCUBuffer = NULL;