1 files changed, 1 insertions, 0 deletions
diff --git a/builtin.h b/builtin.h
index 7dff12152..ff559dec7 100644
--- a/builtin.h
+++ b/builtin.h
@@ -25,5 +25,6 @@ extern int cmd_count_objects(int argc, const char **argv, char **envp);
 extern int cmd_push(int argc, const char **argv, char **envp);
 extern int cmd_grep(int argc, const char **argv, char **envp);
 extern int cmd_rev_list(int argc, const char **argv, char **envp);
+extern int cmd_check_ref_format(int argc, const char **argv, char **envp);
 
 #endif