Update c-cpp.yml

.github/workflows/c-cpp.yml

@@ -12,34 +12,38 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v2
-
+    - name: Checkout code
+      uses: actions/checkout@v2
+      with:
+        submodules: 'recursive'  # ensures submodules are checked out
+
     - name: Setup Visual Studio Environment
       uses: ilammy/msvc-dev-cmd@v1
-
+    
     - name: Install dependencies
       run: |
         choco install -y cmake
-
+    
     - name: Install Vulkan SDK
       uses: humbletim/[email protected]
       with:
         version: 1.3.204.1
         cache: true
-
+    
     - name: Configure
       run: |
         mkdir build
         cd build
         cmake -G "NMake Makefiles" ../src
-
+    
     - name: Build
       run: |
         cd build
         nmake
-
+    
     - name: Upload Artifact
       uses: actions/upload-artifact@v2
       with:
         name: windows-artifact
         path: build/*.exe
+