usec ClangCL instead of MVC

.github/workflows/windows.yml

@@ -25,7 +25,7 @@ jobs:
           key: ${{ github.workflow }}-cpm-modules-${{ hashFiles('**/CMakeLists.txt', '**/*.cmake') }}
 
       - name: configure
-        run: cmake -Stest -Bbuild
+        run: cmake -Stest -Bbuild -G "Visual Studio 16 2019" -T ClangCL
 
       - name: build
         run: cmake --build build --config Debug -j4

include/greeter/greeter.h

@@ -13,8 +13,7 @@ namespace greeter {
    * @brief A class for saying hello in multiple languages
    */
   class GREETER_EXPORT Greeter {
-  protected:
-    std::string GREETER_EXPORT name;
+    std::string name;
 
   public:
     /**