updated for version 7.4.618
Problem:    luaV_setref() is missing a return statement. (Ozaki Kiichi)
Solution:   Put the return statement back.
diff --git a/src/version.c b/src/version.c
index 138a29a..791d007 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    618,
+/**/
     617,
 /**/
     616,