refs_from_alternate: helper to use refs from alternates

diff --git a/cache.h b/cache.h
index 3abf8950bdd9f950b65ee4544e0cfe6517f1912a..c7b0a28352988fec3550da78f2e1ea401810bbd4 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -545,7 +545,6 @@ extern int assume_unchanged;
 extern int prefer_symlink_refs;
 extern int log_all_ref_updates;
 extern int warn_ambiguous_refs;
-extern int unique_abbrev_extra_length;
 extern int shared_repository;
 extern const char *apply_default_whitespace;
 extern const char *apply_default_ignorewhitespace;