1 files changed, 1 insertions, 0 deletions
diff --git a/builtin.h b/builtin.h
index b767245c75..3a24637b11 100644
--- a/builtin.h
+++ b/builtin.h
@@ -53,6 +53,7 @@ extern int cmd_name_rev(int argc, const char **argv, const char *prefix);
 extern int cmd_pack_objects(int argc, const char **argv, const char *prefix);
 extern int cmd_unpack_objects(int argc, const char **argv, const char *prefix);
 extern int cmd_symbolic_ref(int argc, const char **argv, const char *prefix);
+extern int cmd_checkout_index(int argc, const char **argv, const char *prefix);
 
 extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
 extern int write_tree(unsigned char *sha1, int missing_ok, const char *prefix);