[PATCH v3] submodule-config: use hashmap_iter_first()

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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@xxxxxxxxx>
Reviewed-by: Stefan Beller <sbeller@xxxxxxxxxx>
---
Changelog v3: commit message edited.

 submodule-config.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/submodule-config.c b/submodule-config.c
index b82d1fb..8ac5031 100644
--- a/submodule-config.c
+++ b/submodule-config.c
@@ -405,8 +405,7 @@ static const struct submodule *config_from(struct submodule_cache *cache,
 		struct hashmap_iter iter;
 		struct submodule_entry *entry;
 
-		hashmap_iter_init(&cache->for_name, &iter);
-		entry = hashmap_iter_next(&iter);
+		entry = hashmap_iter_first(&cache->for_name, &iter);
 		if (!entry)
 			return NULL;
 		return entry->config;
-- 
2.8.0.rc2.216.g1477fb2.dirty

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