launcher/modManager/cmodlist.cpp: Member functions that don't mutate their objects should be declared "const"

launcher/modManager/cmodlist.cpp

@@ -181,7 +181,7 @@ QVariant CModEntry::getValueImpl(QString value, bool localized) const
 	return QVariant();
 }
 
-QVariantMap CModList::copyField(QVariantMap data, QString from, QString to)
+QVariantMap CModList::copyField(QVariantMap data, QString from, QString to) const
 {
 	QVariantMap renamed;
 

launcher/modManager/cmodlist.h

@@ -85,7 +85,7 @@ class CModList
 	QVariantMap localModList;
 	QVariantMap modSettings;
 
-	QVariantMap copyField(QVariantMap data, QString from, QString to);
+	QVariantMap copyField(QVariantMap data, QString from, QString to) const;
 
 public:
 	virtual void resetRepositories();