Make GSLMulitMinimizerItem::P_ALGORITHMS and GSLMultiMinimizer::P_MAXITERATIONS private

GUI/Models/MinimizerItem.h

@@ -68,10 +68,11 @@ public:
 //! The GSLMinimizerItem class represents settings for GSL MultiMin minimizer family.
 
 class BA_CORE_API_ GSLMultiMinimizerItem : public MinimizerItem {
-public:
+private:
     static const QString P_ALGORITHMS;
     static const QString P_MAXITERATIONS;
 
+public:
     static const QString M_TYPE;
 
     GSLMultiMinimizerItem();