refs.h: add forward declaration for structs used in this file

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Nguyễn Thái Ngọc Duy committed Mar 18, 2017 at 09:03 UTC 504c4d42db8f597b2d151b8b52321cd6130b5363
1 file changed +4
refs.h
+4
@@ -1,6 +1,10 @@
1 #ifndef REFS_H
2 #define REFS_H
3
4 +struct object_id;
5 +struct strbuf;
6 +struct string_list;
7 +
8 /*
9 * Resolve a reference, recursively following symbolic refererences.
10 *