Fix #128.

src/main.cpp

@@ -1,6 +1,7 @@
 #include <QFontDatabase>
 #include <QGuiApplication>
 #include <QNetworkProxy>
+#include <QNetworkProxyFactory>
 #include <QQmlApplicationEngine>
 #include <QQmlContext>
 
@@ -35,6 +36,8 @@ int main(int argc, char *argv[]) {
   }
 #endif
 
+  QNetworkProxyFactory::setUseSystemConfiguration(true);
+
   QApplication app(argc, argv);
 
   app.setOrganizationName("ENCOM");