cifs: Fix xid leak in cifssesadd_channel()
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 v5.15.76 by commit 847301f0ee1c29f34cc48547ce1071990f24969c, it was introduced in version v5.5 by commit d70e9fa55884760b6d6c293dbf20d8c52ce11fb7. For more details please see the references link.