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/if_lua.c b/src/if_lua.c
index 148d624..b4789c4 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -1547,6 +1547,7 @@
 	abort = set_ref_in_item(&tv, copyID, NULL, NULL);
     }
     lua_pushinteger(L, abort);
+    return 0;
 }
 
     static int
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,