mm/mempolicy: fix uninit-value in mpolrebindpolicy()
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 v5.4.208 by commit a1f8765f68bc9bf5744b365bb9f5e0b6db93edfe. For more details please see the references link.