Don't compile in UCD if HB_NO_UCD defined
diff --git a/src/hb-ucd.cc b/src/hb-ucd.cc
index e744664..134e043 100644
--- a/src/hb-ucd.cc
+++ b/src/hb-ucd.cc
@@ -205,5 +205,8 @@
 hb_unicode_funcs_t *
 hb_ucd_get_unicode_funcs ()
 {
+#ifdef HB_NO_UCD
+  return hb_unicode_funcs_get_empty ();
+#endif
   return static_ucd_funcs.get_unconst ();
 }