Fix Qt::Windowflags nullptr deprecation warnings

1 files changed, 1 insertions, 1 deletions

diff --git a/viewer.h b/viewer.h
index 196a2dd..e5a8a02 100644
--- a/viewer.h
+++ b/viewer.h
@@ -7,7 +7,7 @@ class QLabel;
 

 class Viewer : public QWidget {

     public:

-        Viewer(QWidget *parent = nullptr, Qt::WindowFlags f = nullptr);

+        Viewer(QWidget *parent = nullptr, Qt::WindowFlags f = Qt::WindowFlags());

         void setFile(const QString &file, bool allFiles = true);

         void setFiles(const QStringList &files);

         void preview(const QString &file);