afunix: Fix a data-race in unixdgrampeerwake_me().
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 v5.17.15 by commit 71e8bfc7f838cabc60cba24e09ca84c4f8321ab2, it was introduced in version v4.4 by commit 7d267278a9ece963d77eefec61630223fce08c6c. For more details please see the references link.