Fixing TOC link

Author: roygara

articles/storage/files/TOC.yml

@@ -32,7 +32,7 @@
   - name: About cloud tiering
     href: storage-sync-cloud-tiering.md
   - name: Prevent accidental data deletion
-    href: storage-files-recover-file-shares.md
+    href: storage-files-prevent-file-share-deletion.md
   - name: About storage accounts
     href: ../common/storage-account-options.md?toc=%2fazure%2fstorage%2ffiles%2ftoc.json
   - name: Azure file share snapshots