fixup??? init: do parse _all_ core.* settings early

This is required by `en/header-split-cache-h-part-3`.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

setup.c

@@ -2148,7 +2148,7 @@ int init_db(const char *git_dir, const char *real_git_dir,
 	startup_info->have_repository = 1;
 
 	/* Ensure `core.hidedotfiles` is processed */
-	git_config(platform_core_config, NULL);
+	git_config(git_default_core_config, NULL);
 
 	safe_create_dir(git_dir, 0);