Avoid QWidget dependency in QtGui

It's not a real dependency as all we need is to store a pointer,
but better not to use the name QWidget at all.

Change-Id: I30ef1dd44ac7e42c1b9c84675f94088b8c516076
Reviewed-by: Jørgen Lind <jorgen.lind@theqtcompany.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/widgets/kernel/qwidgetbackingstore.cpp b/src/widgets/kernel/qwidgetbackingstore.cpp
index 5752317924..d1070839fa 100644
--- a/src/widgets/kernel/qwidgetbackingstore.cpp
+++ b/src/widgets/kernel/qwidgetbackingstore.cpp
@@ -1157,7 +1157,7 @@ void QWidgetBackingStore::doSync()
 #ifndef QT_NO_OPENGL
     if (widgetTextures && widgetTextures->count()) {
         for (int i = 0; i < widgetTextures->count(); ++i) {
-            QWidget *w = widgetTextures->widget(i);
+            QWidget *w = static_cast<QWidget *>(widgetTextures->source(i));
             if (dirtyRenderToTextureWidgets.contains(w)) {
                 const QRect rect = widgetTextures->geometry(i); // mapped to the tlw already
                 dirty += rect;