Set ASM_ARCH in all cases to fix Win64 Debug build
Merge pull request #794 from ethanhugg/win64_fix

Set ASM_ARCH in all cases to fix Win64 Debug build
fix order of new AU and new Seq
Merge pull request #795 from huili2/new_seq_au_reorder

fix order of new AU and new Seq
Remove a completely unused header
Merge pull request #798 from mstorsjo/remove-unused-header

Remove a completely unused header