Fix SavePrimitive for histograms and profiles

By mistake variable name and not real histogram name was written into produced ROOT macro.
As result, after execution of such macro wrong histogram name appears in stats box. Was not directly detected by stressGraphics tests

Author: linev

hist/hist/src/TH1.cxx

@@ -7344,7 +7344,7 @@ void TH1::SavePrimitive(std::ostream &out, Option_t *option /*= ""*/)
    constexpr auto max_precision{std::numeric_limits<double>::digits10 + 1};
    out << std::setprecision(max_precision);
 
-   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << hname << "\", \""
+   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << TString(savedName).ReplaceSpecialCppChars() << "\", \""
        << TString(GetTitle()).ReplaceSpecialCppChars() << "\", " << GetXaxis()->GetNbins();
    if (!sxaxis.IsNull())
       out << ", " << sxaxis << ".data()";

hist/hist/src/TH2Poly.cxx

@@ -1326,7 +1326,7 @@ void TH2Poly::SavePrimitive(std::ostream &out, Option_t *option)
    out << "   \n";
 
    // Construct the class initialization
-   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << hname << "\", \""
+   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << TString(GetName()).ReplaceSpecialCppChars() << "\", \""
        << TString(GetTitle()).ReplaceSpecialCppChars() << "\", " << fCellX << ", " << fXaxis.GetXmin() << ", "
        << fXaxis.GetXmax() << ", " << fCellY << ", " << fYaxis.GetXmin() << ", " << fYaxis.GetXmax() << ");\n";
 

hist/hist/src/TProfile.cxx

@@ -1651,7 +1651,7 @@ void TProfile::SavePrimitive(std::ostream &out, Option_t *option /*= ""*/)
    if (GetXaxis()->GetXbins()->fN && GetXaxis()->GetXbins()->fArray)
       sxaxis = SavePrimitiveVector(out, hname + "_x", GetXaxis()->GetXbins()->fN, GetXaxis()->GetXbins()->fArray);
 
-   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << hname << "\", \""
+   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << TString(GetName()).ReplaceSpecialCppChars() << "\", \""
        << TString(GetTitle()).ReplaceSpecialCppChars() << "\", " << GetXaxis()->GetNbins() << ", ";
    if (!sxaxis.IsNull())
       out << sxaxis << ".data()";

hist/hist/src/TProfile2D.cxx

@@ -1894,7 +1894,7 @@ void TProfile2D::SavePrimitive(std::ostream &out, Option_t *option /*= ""*/)
    if (GetYaxis()->GetXbins()->fN && GetYaxis()->GetXbins()->fArray)
       syaxis = SavePrimitiveVector(out, hname + "_y", GetYaxis()->GetXbins()->fN, GetYaxis()->GetXbins()->fArray);
 
-   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << hname << "\", \""
+   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << TString(GetName()).ReplaceSpecialCppChars() << "\", \""
        << TString(GetTitle()).ReplaceSpecialCppChars() << "\", " << GetXaxis()->GetNbins() << ", ";
    if (!sxaxis.IsNull())
       out << sxaxis << ".data()";

hist/hist/src/TProfile3D.cxx

@@ -1259,7 +1259,7 @@ void TProfile3D::SavePrimitive(std::ostream &out, Option_t *option /*= ""*/)
       szaxis = SavePrimitiveVector(out, hname + "_z", GetZaxis()->GetXbins()->fN, GetZaxis()->GetXbins()->fArray);
    }
 
-   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << hname << "\", \""
+   out << "   " << ClassName() << " *" << hname << " = new " << ClassName() << "(\"" << TString(GetName()).ReplaceSpecialCppChars() << "\", \""
        << TString(GetTitle()).ReplaceSpecialCppChars() << "\", " << GetXaxis()->GetNbins() << ", ";
    if (!sxaxis.IsNull())
       out << sxaxis << ".data()";