builtin/am: convert uses of EMPTY_TREE_SHA1_BIN to the_hash_algo

diff --git a/cache.h b/cache.h
index 9ad1dd2ddc3c39d32d610a28dc8a6aeb1ae55f36..14690c84a277a0ab5cbdab3742f9ef909b8da00c 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1049,6 +1049,9 @@ static inline int is_empty_tree_oid(const struct object_id *oid)
        return !oidcmp(oid, the_hash_algo->empty_tree);
 }
 
+const char *empty_tree_oid_hex(void);
+const char *empty_blob_oid_hex(void);
+
 /* set default permissions by passing mode arguments to open(2) */
 int git_mkstemps_mode(char *pattern, int suffix_len, int mode);
 int git_mkstemp_mode(char *pattern, int mode);