diff --git a/src/proto/misc1.pro b/src/proto/misc1.pro
index d6672e4..7183bbd 100644
--- a/src/proto/misc1.pro
+++ b/src/proto/misc1.pro
@@ -84,6 +84,7 @@
 int cin_islabel __ARGS((int ind_maxcomment));
 int cin_iscase __ARGS((char_u *s, int strict));
 int cin_isscopedecl __ARGS((char_u *s));
+void parse_cino __ARGS((buf_T *buf));
 int get_c_indent __ARGS((void));
 int get_expr_indent __ARGS((void));
 int get_lisp_indent __ARGS((void));