Use os.PathSeparator to correctly split per OS

Author: eeyrjmr

services/doctor/storage.go

@@ -8,6 +8,7 @@ import (
 	"errors"
 	"io/fs"
 	"strings"
+	"os"
 
 	"code.gitea.io/gitea/models/git"
 	"code.gitea.io/gitea/models/packages"
@@ -121,7 +122,7 @@ func checkStorage(opts *checkStorageOptions) func(ctx context.Context, logger lo
 					storer: storage.LFS,
 					isOrphaned: func(path string, obj storage.Object, stat fs.FileInfo) (bool, error) {
 						// The oid of an LFS stored object is the name but with all the path.Separators removed
-						oid := strings.ReplaceAll(path, "/", "")
+						oid := strings.ReplaceAll(path, string(os.PathSeparator), "")
 						exists, err := git.ExistsLFSObject(ctx, oid)
 						return !exists, err
 					},