Fix tests on Windows

tests/gui/TestGui.h

@@ -20,12 +20,12 @@
 #define KEEPASSX_TESTGUI_H
 
 #include "gui/MainWindow.h"
+#include "util/TemporaryFile.h"
 
 #include <QAbstractItemModel>
 #include <QObject>
 #include <QPointer>
 #include <QScopedPointer>
-#include <QTemporaryFile>
 
 class Database;
 class DatabaseTabWidget;
@@ -90,7 +90,7 @@ private:
     QPointer<DatabaseWidget> m_dbWidget;
     QPointer<Database> m_db;
     QByteArray m_dbData;
-    QScopedPointer<QTemporaryFile> m_dbFile;
+    QScopedPointer<TemporaryFile> m_dbFile;
     QString m_dbFileName;
     QString m_dbFilePath;
 };