Fix a compiler warning

[pulseview.git] / pv / devices / inputfile.cpp

diff --git a/pv/devices/inputfile.cpp b/pv/devices/inputfile.cpp
index 94fb9c82cb6d4df2e2a47d261ff8220bb471ad3e..9cc99f4ec8060abe8a46af815024017b38bc7628 100644 (file)
--- a/pv/devices/inputfile.cpp
+++ b/pv/devices/inputfile.cpp
@@ -101,7 +101,7 @@ void InputFile::save_meta_to_settings(QSettings &settings)
        settings.setValue("options", (int)options_.size());
 
        int i = 0;
-       for (const pair<string, Glib::VariantBase>& option : options_) {
+       for (const pair<const string, Glib::VariantBase>& option : options_) {
                settings.beginGroup("option" + QString::number(i));
                settings.setValue("name", QString::fromStdString(option.first));
                GlobalSettings::store_variantbase(settings, option.second);