Merge branch 'ak/use-hashmap-iter-first-in-submodule-config' into maint

Minor code cleanup. * ak/use-hashmap-iter-first-in-submodule-config: submodule-config: use hashmap_iter_first()

Junio C Hamano committed Apr 29, 2016 at 14:15 UTC a4708391d3bf4111ae5598f8e8e9ecdc25ead10a

No changes.