[PL] SD: ProcessData. Fix member names in struct.

ProcessLib/SmallDeformation/SmallDeformationFEM.h

@@ -160,7 +160,7 @@ public:
 
         for (unsigned ip = 0; ip < n_integration_points; ip++)
         {
-            _ip_data.emplace_back(*_process_data._material);
+            _ip_data.emplace_back(*_process_data.material);
             auto& ip_data = _ip_data[ip];
             auto const& sm = shape_matrices[ip];
             ip_data._detJ = sm.detJ;

ProcessLib/SmallDeformation/SmallDeformationProcessData.h

@@ -25,12 +25,12 @@ struct SmallDeformationProcessData
     SmallDeformationProcessData(
         std::unique_ptr<MaterialLib::Solids::MechanicsBase<DisplacementDim>>&&
             material)
-        : _material{std::move(material)}
+        : material{std::move(material)}
     {
     }
 
     SmallDeformationProcessData(SmallDeformationProcessData&& other)
-        : _material{std::move(other._material)}
+        : material{std::move(other.material)}
     {
     }
 
@@ -44,7 +44,7 @@ struct SmallDeformationProcessData
     void operator=(SmallDeformationProcessData&&) = delete;
 
     std::unique_ptr<MaterialLib::Solids::MechanicsBase<DisplacementDim>>
-        _material;
+        material;
     double dt = 0;
     double t = 0;
 };