Mat: fix several compiler warnings:

* -Winconsistent-missing-override
* -Wtautological-undefined-compare

src/Mod/Material/App/MaterialLibrary.h

@@ -25,6 +25,7 @@
 #include <Mod/Material/MaterialGlobal.h>
 
 #include <Base/BaseClass.h>
+#include <memory>
 #include <QDir>
 #include <QString>
 #include <QVariant>
@@ -39,7 +40,7 @@ class Material;
 
 class MaterialsExport MaterialLibrary: public LibraryBase
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     MaterialLibrary();
@@ -77,7 +78,7 @@ protected:
 
 class MaterialsExport MaterialExternalLibrary: public MaterialLibrary
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     MaterialExternalLibrary();

src/Mod/Material/App/MaterialManager.h

@@ -40,7 +40,7 @@ typedef FolderTreeNode<Material> MaterialTreeNode;
 
 class MaterialsExport MaterialManager: public Base::BaseClass
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     MaterialManager();

src/Mod/Material/App/Model.h

@@ -37,7 +37,7 @@ namespace Materials
 
 class MaterialsExport ModelProperty: public Base::BaseClass
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     ModelProperty();
@@ -130,7 +130,7 @@ private:
 
 class MaterialsExport Model: public Base::BaseClass
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     enum ModelType

src/Mod/Material/App/ModelLibrary.h

@@ -38,7 +38,7 @@ class Model;
 
 class MaterialsExport LibraryBase: public Base::BaseClass
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     LibraryBase();
@@ -77,7 +77,7 @@ private:
 
 class MaterialsExport ModelLibrary: public LibraryBase
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     ModelLibrary();

src/Mod/Material/App/ModelManager.h

@@ -41,7 +41,7 @@ typedef FolderTreeNode<Model> ModelTreeNode;
 
 class MaterialsExport ModelManager: public Base::BaseClass
 {
-    TYPESYSTEM_HEADER();
+    TYPESYSTEM_HEADER_WITH_OVERRIDE();
 
 public:
     enum ModelFilter

tests/src/Mod/Material/App/Model.cpp

@@ -59,9 +59,12 @@ class MaterialTest : public ::testing::Test {
 
 TEST_F(MaterialTest, TestApplication)
 {
-    App::Application& application = App::GetApplication();
-    if (&application == nullptr)
+    try {
+        App::GetApplication();
+    }
+    catch (...) {
         ADD_FAILURE() << "Application failure\n";
+    }
 
     SUCCEED();
 }