Reenable cmake install step for Windows builds

Just skip using sudo under this OS, but still run "cmake install" as
this is required for the final test, checking the installation success,
to work.

.github/workflows/ci_cmake.yml

@@ -65,6 +65,7 @@ jobs:
             cmake_tests: OFF
           - name: Windows MSVC
             runner: windows-latest
+            no_sudo: 1
             cmake_defines: -DCMAKE_C_COMPILER=cl.exe -DCMAKE_CXX_COMPILER=cl.exe
             cmake_generator: Ninja
             cmake_samples: SOME
@@ -129,10 +130,13 @@ jobs:
           cmake --build . -- $wxBUILD_ARGS
 
       - name: Installing
-        if: runner.os != 'Windows'
         working-directory: build_cmake
         run: |
-          sudo cmake --build . --target install
+            if [ -z "${{ matrix.no_sudo }}" ]; then
+                sudo cmake --build . --target install
+            else
+                cmake --build . --target install
+            fi
 
       - name: Testing
         if: matrix.cmake_tests != 'OFF'