fix minor compile problems

.vscode/settings.json

@@ -10,5 +10,8 @@
     "unityExplorer.prettyTestCaseRegex": "test_(\\w+)",
     "unityExplorer.prettyTestFileRegex": "(\\w+)_test\\.c",
     "unityExplorer.debugConfiguration": "Unity Test Explorer Debug",
+    "files.associations": {
+        "main.h": "c"
+    },
     
 }