Making sure that a few pieces of data on WebSocketRequest objects are…

… cleaned up properly after they're no longer needed.

lib/WebSocketRequest.js

@@ -242,14 +242,14 @@ WebSocketRequest.prototype.accept = function(acceptedProtocol, allowedOrigin, co
     // TODO: Handle extensions
     if (acceptedProtocol) {
         var protocolFullCase = this.protocolFullCaseMap[acceptedProtocol.toLocaleLowerCase()];
-        this.protocolFullCaseMap = null;
         if (typeof(protocolFullCase) === 'undefined') {
             protocolFullCase = acceptedProtocol;
         }
     }
     else {
         protocolFullCase = acceptedProtocol;
     }
+    this.protocolFullCaseMap = null;
 
     var connection = new WebSocketConnection(this.socket, [], acceptedProtocol, false, this.serverConfig);
 
@@ -290,9 +290,9 @@ WebSocketRequest.prototype.accept = function(acceptedProtocol, allowedOrigin, co
 
         protocolFullCase = protocolFullCase.replace(headerSanitizeRegExp, '');
         response += "Sec-WebSocket-Protocol: " + protocolFullCase + "\r\n";
-
-        this.requestedProtocols = null;
     }
+    this.requestedProtocols = null;
+
     if (allowedOrigin) {
         allowedOrigin = allowedOrigin.replace(headerSanitizeRegExp, '');
         if (this.webSocketVersion === 13) {