add check action also to the snapshot build

.github/workflows/snapshot-on-push-master.yml

@@ -46,6 +46,9 @@ jobs:
       - name: Checkout Source
         uses: actions/checkout@v2
 
+      - name: Do some simple style checks
+        shell: bash
+        run: make -j2 check
       - name: Build the tools.
         shell: bash
         run: |