updated for version 7.3.494

Problem:    Can't compile with Lua 9.1 or dynamic Lua.
Solution:   Fix dll_ methods. Fix luado(). (Muraoka Taro, Luis Carvalho)

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    494,
 /**/
     493,
 /**/