Fixing qml for QWidget support (crash)

QWidget deletes its children in its own constructor so we have
to cleanup before explicitly

Reviewed-by: Aaron Kennedy
(cherry picked from commit 59629ac728f2fdbc3047554d715e2f908b1844c4)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index bca607c..e24b7cb 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -1375,6 +1375,12 @@ QWidget::~QWidget()
     // set all QPointers for this object to zero
     QObjectPrivate::clearGuards(this);
 
+    if(d->declarativeData) {
+        QDeclarativeData *dd = d->declarativeData;
+        d->declarativeData = 0;
+        dd->destroyed(this);
+    }
+
     if (!d->children.isEmpty())
         d->deleteChildren();