fix GCC warnings/errors

GUI/Model/Item/BackgroundItems.h

@@ -26,7 +26,7 @@ public:
     virtual ~BackgroundItem() = default;
 
     virtual std::unique_ptr<IBackground> createBackground() const = 0;
-    virtual void serialize(Serializer& s) {}
+    virtual void serialize(Serializer&) {}
 };
 
 class NoBackgroundItem : public BackgroundItem {

GUI/Model/Item/DistributionItems.h

@@ -18,6 +18,7 @@
 #include "GUI/Model/Types/DoubleProperty.h"
 #include "GUI/Model/Types/UIntProperty.h"
 #include <QVector>
+#include <memory>
 
 class IDistribution1D;
 class IRangedDistribution;

GUI/Model/Item/FootprintItems.h

@@ -23,7 +23,7 @@ class Serializer;
 class FootprintItem {
 public:
     virtual ~FootprintItem() = default;
-    virtual void serialize(Serializer& s){};
+    virtual void serialize(Serializer&){};
     virtual std::unique_ptr<IFootprintFactor> createFootprint() const = 0;
 };
 

GUI/Model/Item/ResolutionFunctionItems.h

@@ -33,7 +33,7 @@ public:
     void setUnit(const std::variant<QString, Unit>& unit) { m_unit = unit; }
     std::variant<QString, Unit> unit() const { return m_unit; }
 
-    virtual void serialize(Serializer& s){};
+    virtual void serialize(Serializer&){};
 
 protected:
     std::variant<QString, Unit> m_unit;