Minor
diff --git a/src/hb-buffer.cc b/src/hb-buffer.cc
index 4ac1fbe..ee5a888 100644
--- a/src/hb-buffer.cc
+++ b/src/hb-buffer.cc
@@ -570,7 +570,7 @@
 /* Public API */
 
 hb_buffer_t *
-hb_buffer_create ()
+hb_buffer_create (void)
 {
   hb_buffer_t *buffer;