submodule-config: use hashmap_iter_first()
commit01d98e8a5dc0c1951450bed88e12d0af1a01cb20
authorAlexander Kuleshov <kuleshovmail@gmail.com>
Wed, 16 Mar 2016 07:46:31 +0000 (16 13:46 +0600)
committerJunio C Hamano <gitster@pobox.com>
Wed, 23 Mar 2016 20:39:13 +0000 (23 13:39 -0700)
tree82374fcbf2353ca5aa09e77a1c05e6bffc5ab291
parenta0feb1b1870fbb74f65d6a8951e4b2e2a2347ecf
submodule-config: use hashmap_iter_first()

The hashmap API provides hashmap_iter_first() helper for initialion
and getting the first entry of a hashmap. Let's use it instead of
doing initialization manually and then get the first entry.

There are no functional changes, just cleanup.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
submodule-config.c