[PATCH v3 12/23] refs.c: move resolve_refdup to common

[Ronnie Sahlberg <sahlberg@google.com>]

This function can be shared across all refs backends so move it
to the common code.

Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
 refs-be-files.c | 6 ------
 refs.c          | 6 ++++++
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/refs-be-files.c b/refs-be-files.c
index a94378e..ed7bc61 100644
--- a/refs-be-files.c
+++ b/refs-be-files.c
@@ -1501,12 +1501,6 @@ const char *resolve_ref_unsafe(const char *refname, unsigned char *sha1, int fla
 	}
 }
 
-char *resolve_refdup(const char *ref, unsigned char *sha1, int flags, int *ref_flag)
-{
-	const char *ret = resolve_ref_unsafe(ref, sha1, flags, ref_flag);
-	return ret ? xstrdup(ret) : NULL;
-}
-
 /* The argument to filter_refs */
 struct ref_filter {
 	const char *pattern;
diff --git a/refs.c b/refs.c
index a0e6d81..b8582f8 100644
--- a/refs.c
+++ b/refs.c
@@ -567,3 +567,9 @@ int ref_exists(const char *refname)
 	unsigned char sha1[20];
 	return !!resolve_ref_unsafe(refname, sha1, RESOLVE_REF_READING, NULL);
 }
+
+char *resolve_refdup(const char *ref, unsigned char *sha1, int flags, int *ref_flag)
+{
+	const char *ret = resolve_ref_unsafe(ref, sha1, flags, ref_flag);
+	return ret ? xstrdup(ret) : NULL;
+}
-- 
2.0.1.552.g1af257a