Dialogs: Fix minor memory leak in QQuickAbstractDialog

If Dialogs decoration component is not an Item based object, there is a
minor memory leak in error cleanup path, causing the object to leak.

Change-Id: I79295378303e460ad0024d5994fed28ddd37b591
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Jarkko Koivikko <jarkko.koivikko@code-q.fi>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/dialogs/qquickabstractdialog.cpp b/src/dialogs/qquickabstractdialog.cpp
index ce87d56c..e00c17a1 100644
--- a/src/dialogs/qquickabstractdialog.cpp
+++ b/src/dialogs/qquickabstractdialog.cpp
@@ -230,7 +230,7 @@ void QQuickAbstractDialog::decorationLoaded()
         } else {
             qWarning() << m_decorationComponent->url() <<
                 "cannot be used as a window decoration because it's not an Item";
-            delete m_windowDecoration;
+            delete decoration;
             delete m_decorationComponent;
             m_decorationComponent = 0;
         }