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()

diff --combined submodule-config.c
index 92502b594d055bbf99fd203175d7dffaf8dfb732,6ea31dd363c08f184fdaaa3714f7dfe62becb2d9..8476e0fa0f89c968e95182fd44211c0018a4b1f8
--- 1/submodule-config.c
--- 2/submodule-config.c
+++ b/submodule-config.c
@@@ -392,8 -392,7 +392,7 @@@ static const struct submodule *config_f
                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;
@@@ -427,8 -426,8 +426,8 @@@
        parameter.commit_sha1 = commit_sha1;
        parameter.gitmodules_sha1 = sha1;
        parameter.overwrite = 0;
 -      git_config_from_buf(parse_config, rev.buf, config, config_size,
 -                      &parameter);
 +      git_config_from_mem(parse_config, "submodule-blob", rev.buf,
 +                      config, config_size, &parameter);
        free(config);
  
        switch (lookup_type) {