Tidying

src/Insight/UserInterfaces/InsightWindow/Widgets/TargetRegistersPane/TargetRegistersPaneWidget.cpp

@@ -126,7 +126,7 @@ TargetRegistersPaneWidget::TargetRegistersPaneWidget(
 void TargetRegistersPaneWidget::filterRegisters(const QString& keyword) {
     auto stdKeyword = keyword.toLower().toStdString();
 
-    for (auto& registerGroupWidget : this->registerGroupWidgets) {
+    for (const auto& registerGroupWidget : this->registerGroupWidgets) {
         // If the group name matches the keyword, then don't bother iterating through all the register widgets
         if (keyword.isEmpty() || registerGroupWidget->name.contains(keyword, Qt::CaseInsensitive)) {
             registerGroupWidget->setVisible(true);