From ed8e97e165020f3c24f1be7fc893267000fc6ee5 Mon Sep 17 00:00:00 2001
From: Igor Canadi <igor@rockset.com>
Date: Thu, 19 Oct 2023 09:51:35 +0000
Subject: [PATCH] SuperVersion is a struct, not a class

Summary:
```
./db/snapshot_impl.h:55:1: error: class 'SuperVersion' was previously declared as a struct; this is valid, but may result in linker errors under the Microsoft C++ ABI [-Werror,-Wmismatched-tags]
```

Test Plan:

Reviewers:
---
 db/snapshot_impl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/db/snapshot_impl.h b/db/snapshot_impl.h
index 529486fa1a5..4087c45280f 100644
--- a/db/snapshot_impl.h
+++ b/db/snapshot_impl.h
@@ -52,7 +52,7 @@ class SnapshotImpl : public Snapshot {
 };
 
 // RocksDB-Cloud contribution begin
-class SuperVersion;
+struct SuperVersion;
 class ColumnFamilyData;
 class SuperSnapshotImpl : public SnapshotImpl {
  public: