cifs: Fix xid leak in cifscopyfile_range()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.152 by commit bf49d4fe4ab7b8d812927a2c7b514864d5fc1bb2, it was introduced in version v5.7 by commit 4e8aea30f7751ce7c4b158aa0c04e7744d281cc3. For more details please see the references link.