Fix for timeout issues on WebServer (espressif#8319)

Author: supersjellie

Diff for: libraries/WebServer/src/WebServer.cpp

@@ -285,17 +285,16 @@ void WebServer::serveStatic(const char* uri, FS& fs, const char* path, const cha
 
 void WebServer::handleClient() {
   if (_currentStatus == HC_NONE) {
-    WiFiClient client = _server.available();
-    if (!client) {
+    _currentClient = _server.available();
+    if (!_currentClient) {
       if (_nullDelay) {
         delay(1);
       }
       return;
     }
 
-    log_v("New client: client.localIP()=%s", client.localIP().toString().c_str());
+    log_v("New client: client.localIP()=%s", _currentClient.localIP().toString().c_str());
 
-    _currentClient = client;
     _currentStatus = HC_WAIT_READ;
     _statusChange = millis();
   }