* libgfortran/io/transfer.c (us_read): Use memcpy/memset

	instead of assignment to fill unaligned buffer.
	(us_write): Ditto.
	(next_record_w): Ditto.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92143 138bc75d-0d04-0410-961f-82ee72b054a4