[PATCH 4/4] Fix unreachable-code warning with clang on Windows

[Mike Hommey <mh@xxxxxxxxxxxx>]

```
refs/files-backend.c:3187:5: error: code will never be executed [-Werror,-Wunreachable-code]
   3187 |                                 continue;
        |                                 ^~~~~~~~
  1 error generated.
```

Signed-off-by: Mike Hommey <mh@xxxxxxxxxxxx>
---
 refs/files-backend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/refs/files-backend.c b/refs/files-backend.c
index bf6f89b1d1..af21eb80a9 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -3183,7 +3183,7 @@ static int files_transaction_finish(struct ref_store *ref_store,
 		 * next update. If not, we try and create a regular symref.
 		 */
 		if (update->new_target && refs->prefer_symlink_refs)
-			if (!create_ref_symlink(lock, update->new_target))
+			if (NOT_CONSTANT(!create_ref_symlink(lock, update->new_target)))
 				continue;
 
 		if (update->flags & REF_NEEDS_COMMIT) {
-- 
2.50.0.rc1.593.g042f21cb9b