NFS: fix an incorrect limit in filelayoutdecodelayout()
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 v4.19.193 by commit 945ebef997227ca8c20bad7f8a8358c8ee57a84a, it was introduced in version v2.6.37 by commit 16b374ca439fb406e46e071f75428f5b033056f8. For more details please see the references link.