mpi: amd64: fix too large jump alignment in mpih-rshift
* mpi/amd64/mpih-rshift.S (_gcry_mpih_rshift): Use 16-byte alignment with 'ALIGN(4)' instead of 256-byte.
(cherry picked from commit ddcfe31e2425e88b280e7cdaf3f0eaaad8ccc023)
- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>