merge var

GUI/Model/Data/Data2DItem.cpp

@@ -41,8 +41,6 @@ const QString ZAxis("ZAxis");
 
 } // namespace Tag
 
-const QCPColorGradient infernoGradient = GUI::QCP_Util::colorGradientInferno();
-
 // gradient map for colormaps
 const QMap<QString, QCPColorGradient::GradientPreset> gradient_map = {
     {"Grayscale", QCPColorGradient::gpGrayscale},
@@ -58,7 +56,8 @@ const QMap<QString, QCPColorGradient::GradientPreset> gradient_map = {
     {"Jet", QCPColorGradient::gpJet},
     {"Hues", QCPColorGradient::gpHues}};
 
-const QMap<QString, QCPColorGradient> custom_gradient_map = {{"Inferno", infernoGradient}};
+const QMap<QString, QCPColorGradient> custom_gradient_map = {
+    {"Inferno", GUI::QCP_Util::colorGradientInferno()}};
 
 const QString startGradient = "Inferno";