Delete all AccountModelNodes to prevent leak

src/libtomahawk/accounts/AccountModel.cpp

@@ -49,6 +49,12 @@ AccountModel::AccountModel( QObject* parent )
 }
 
 
+AccountModel::~AccountModel()
+{
+    qDeleteAll( m_accounts );
+}
+
+
 void
 AccountModel::init()
 {

src/libtomahawk/accounts/AccountModel.h

@@ -86,6 +86,7 @@ public:
     };
 
     explicit AccountModel( QObject* parent = 0 );
+    virtual ~AccountModel();
 
     virtual QVariant data( const QModelIndex& index, int role = Qt::DisplayRole ) const;
     virtual int rowCount( const QModelIndex& parent = QModelIndex() ) const;