Windows: Clean up more compiler errors and warnings
diff --git a/layers/mem_tracker.h b/layers/mem_tracker.h
index 4416e6c..991563a 100644
--- a/layers/mem_tracker.h
+++ b/layers/mem_tracker.h
@@ -103,9 +103,9 @@
     union create_info {
         VkImageCreateInfo  image;
         VkBufferCreateInfo buffer;
-        VkSwapChainCreateInfoWSI swapchain;
+        // VkSwapChainCreateInfoWSI swapchain;
 
-        create_info() : image() {}
+        // create_info() : image() {}
     } create_info;
 };