A bit of clean-ups and license fixes

src/WebSocket.h

@@ -1,3 +1,19 @@
+/*
+ * Copyright 2018 Alex Hultman and contributors.
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ *     http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef WEBSOCKET_H
 #define WEBSOCKET_H
 
@@ -15,8 +31,9 @@ struct WebSocket : AsyncSocket<SSL> {
 private:
     typedef AsyncSocket<SSL> Super;
 
-    void init() {
+    void *init() {
         new (us_socket_ext((us_socket *) this)) WebSocketData;
+        return this;
     }
 public: