Update ci_src_examples_win.yml

.github/workflows/ci_src_examples_win.yml

@@ -11,6 +11,8 @@ jobs:
       run: | 
         mkdir build
         cd build
+    - name: Setup MSBuild.exe
+      uses: warrenbuckley/Setup-MSBuild@v1
     - name: Setup CMake Project
       run: cmake -G "Visual Studio 14 2015" -DSTATIC=ON -DSHARED=ON -DBUILD_EXAMPLES=ON -DBUILD_GAMES=OFF -DINCLUDE_EVERYTHING=ON ../raylib
     - name: Build raylib Source & Examples