Fix the file name (mpi_x86.c -> mpi_x86_asm.c) in the comment.
Fix the file name (mpi_x86.c -> mpi_x86_asm.c) in the comment.

nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,nmav/nss,nmav/nss,ekr/nss-old,nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss