[PATCH] Fix git-for-each-refs broken for tags

Unfortunately, git-for-each-refs is currently unusable for peeking into tag
comments, since it uses freed pointers, so it just prints out all sort of
garbage.

This makes it strdup() contents and body values.

Signed-off-by: Petr Baudis <redacted>
---

 builtin-for-each-ref.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index 173bf38..227aa3c 100644
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c

@@ -478,9 +478,9 @@ static void grab_sub_body_contents(struc
 		if (!strcmp(name, "subject"))
 			v->s = copy_line(subpos);
 		else if (!strcmp(name, "body"))
-			v->s = bodypos;
+			v->s = xstrdup(bodypos);
 		else if (!strcmp(name, "contents"))
-			v->s = subpos;
+			v->s = xstrdup(subpos);
 	}
 }