Index: lua-5.1.3/src/lua.h
===================================================================
--- lua-5.1.3.orig/src/lua.h	2008-06-29 11:45:55.000000000 +0200
+++ lua-5.1.3/src/lua.h	2008-06-29 11:46:28.000000000 +0200
@@ -79,7 +79,7 @@
  *     not acceptable for 5.1, maybe 5.2 onwards?
  *  9: greater than existing (5.1) type values.
 */
-#define LUA_TINT (-2)
+#define LUA_TINT 9
 
 #define LUA_TNIL		0
 #define LUA_TBOOLEAN		1