[PATCH 2/4] Fix memory leak of the MinMaxAvgWidgetPrivate

[Thiago Macieira]

Found by Dr. Memory, run by Lubomir:
Error #63: LEAK 24 direct bytes 0x344f42e8-0x344f4300 + 0 indirect bytes
 # 0 replace_operator_new                             [d:\drmemory_package\common\alloc_replace.c:2421]
 # 1 MinMaxAvgWidget::MinMaxAvgWidget()               [qt-ui/simplewidgets.cpp:64]

Signed-off-by: Thiago Macieira <thiago at macieira.org>
---
 qt-ui/simplewidgets.cpp | 6 +++++-
 qt-ui/simplewidgets.h   | 3 ++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/qt-ui/simplewidgets.cpp b/qt-ui/simplewidgets.cpp
index 692cda1..006e790 100644
--- a/qt-ui/simplewidgets.cpp
+++ b/qt-ui/simplewidgets.cpp
@@ -61,7 +61,11 @@ double MinMaxAvgWidget::minimum() const
 }
 
 MinMaxAvgWidget::MinMaxAvgWidget(QWidget* parent)
-: d(new MinMaxAvgWidgetPrivate(this)){
+	: d(new MinMaxAvgWidgetPrivate(this)){
+}
+
+MinMaxAvgWidget::~MinMaxAvgWidget()
+{
 }
 
 void MinMaxAvgWidget::clear()
diff --git a/qt-ui/simplewidgets.h b/qt-ui/simplewidgets.h
index 70d61ca..c924370 100644
--- a/qt-ui/simplewidgets.h
+++ b/qt-ui/simplewidgets.h
@@ -17,6 +17,7 @@ class MinMaxAvgWidget : public QWidget{
 	Q_PROPERTY(double average READ average WRITE setAverage)
 public:
 	MinMaxAvgWidget(QWidget *parent);
+	~MinMaxAvgWidget();
 	double minimum() const;
 	double maximum() const;
 	double average() const;
@@ -28,7 +29,7 @@ public:
 	void setAverage(const QString& average);
 	void clear();
 private:
-	MinMaxAvgWidgetPrivate *d;
+	QScopedPointer<MinMaxAvgWidgetPrivate> d;
 };
 
 class RenumberDialog : public QDialog {
-- 
1.7.11.7