Since fsck_ident doesn't change the content of **ident, the type of
ident could be const char **.

This change is required to rewrite fsck_commit() to use skip_prefix().

Signed-off-by: Yuxuan Shui <yshu...@gmail.com>
---
 fsck.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fsck.c b/fsck.c
index 99c0497..1789c34 100644
--- a/fsck.c
+++ b/fsck.c
@@ -243,7 +243,7 @@ static int fsck_tree(struct tree *item, int strict, 
fsck_error error_func)
        return retval;
 }
 
-static int fsck_ident(char **ident, struct object *obj, fsck_error error_func)
+static int fsck_ident(const char **ident, struct object *obj, fsck_error 
error_func)
 {
        if (**ident == '<')
                return error_func(obj, FSCK_ERROR, "invalid author/committer 
line - missing space before email");
-- 
1.9.0

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