Allow users to optionally specify their envelope sender.

diff --git a/refs.c b/refs.c
index d2b7b7fb56f76294bb48526496429968d86e49b2..d7be2841c5f2a5fbee8964051b86356af7bf9905 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -705,7 +705,7 @@ static int repack_without_ref(const char *refname)
        return commit_lock_file(&packlock);
 }
 
-int delete_ref(const char *refname, unsigned char *sha1)
+int delete_ref(const char *refname, const unsigned char *sha1)
 {
        struct ref_lock *lock;
        int err, i, ret = 0, flag = 0;