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

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

Junio C Hamano committed Apr 13, 2016 at 14:12 UTC 73385f20e14be779f06177fb9f307d63662d36d1

No changes.