get_random_long() reads from the get_random_int_hash array using an
unsigned long pointer.  For this code to be guaranteed correct on all
architectures, the array must be aligned to an unsigned long boundary.

Cc: stable@kernel.org
Signed-off-by: NEric Biggers <ebiggers3@gmail.com>
Signed-off-by: NTheodore Ts'o <tytso@mit.edu>