Fix a compiler warning

[pulseview.git] / pv / widgets / importmenu.cpp

diff --git a/pv/widgets/importmenu.cpp b/pv/widgets/importmenu.cpp
index f827d35bff3935e69a4f453c04c12e4d78058898..b63256cb923cd36edaf89962975bc4e348147cfd 100644 (file)
--- a/pv/widgets/importmenu.cpp
+++ b/pv/widgets/importmenu.cpp
@@ -63,7 +63,7 @@ ImportMenu::ImportMenu(QWidget *parent, shared_ptr<Context> context,
        const map<string, shared_ptr<InputFormat> > formats =
                context->input_formats();
 
-       for (const pair<string, shared_ptr<InputFormat> > &f : formats) {
+       for (const pair<const string, shared_ptr<InputFormat> > &f : formats) {
                assert(f.second);
                QAction *const action = addAction(tr("Import %1...")
                        .arg(QString::fromStdString(f.second->description())));