Copy config.sub from AM 1.13
Copy config.sub from AM 1.13

git-svn-id: b3a1b3965c35f239a282f3885b4270eb988d1e5f@3778 a03fbada-158d-47ef-9f12-77e997805b15

Distrotech/aspell,Distrotech/aspell,Distrotech/aspell,Distrotech/aspell