--- nextcloud-client-2.5.3.orig/src/3rdparty/kmessagewidget/kmessagewidget.cpp	2019-07-26 18:40:34.949349387 +0000
+++ nextcloud-client-2.5.3/src/3rdparty/kmessagewidget/kmessagewidget.cpp	2019-07-26 18:41:39.866478051 +0000
@@ -105,6 +105,9 @@
     q->setMessageType(KMessageWidget::Information);
 }
 
+template <typename T>
+constexpr typename std::add_const<T>::type &qAsConst(T &t) noexcept { return t; }
+
 void KMessageWidgetPrivate::createLayout()
 {
     delete content->layout();