opt/qt4/fix_assistant_segfault_QTBUG-25324.patch

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Index: qt-everywhere-opensource-src-4.8.3/tools/assistant/tools/assistant/mainwindow.cpp
===================================================================
--- qt-everywhere-opensource-src-4.8.3.orig/tools/assistant/tools/assistant/mainwindow.cpp
+++ qt-everywhere-opensource-src-4.8.3/tools/assistant/tools/assistant/mainwindow.cpp
@@ -945,8 +945,7 @@ void MainWindow::updateApplicationFont()
if (helpEngine.usesAppFont())
font = helpEngine.appFont();
- const QWidgetList &widgets = qApp->allWidgets();
- foreach (QWidget* widget, widgets)
+ foreach (QWidget* widget, QApplication::allWidgets())
widget->setFont(font);
}