Update build_windows.yml

Author: Katze719

.github/workflows/build_windows.yml

@@ -3,9 +3,9 @@ name: Build Win32 DLL
 on:
   push:
     branches: [ "main" ]
-    #paths:
-    #  - 'include/**'
-    #  - 'src/**'
+    paths:
+      - 'include/**'
+      - 'src/**'
   pull_request:
     branches: [ "main" ]
     paths: