update runner script

.gitea/workflows/mvs_job.yaml

@@ -17,7 +17,8 @@ jobs:
         run: |
           # Try to list changed .c or .bas files from last commit
           CHANGED_FILES=$(git diff --name-only HEAD~1 -- '*.c' '*.bas' 2>/dev/null | head -1)
-
+          echo "Changed files from last commit: ${CHANGED_FILES}"
+          # Fail if no C/BAS files were found 
           if [ -z "$CHANGED_FILES" ]; then
             echo "No C/BAS files found; skipping."
             exit 1