Patch toluapp for reproducible output

Without this patch, libimlib2.c varied every time.

This patch was done while working on reproducible builds for openSUSE.

3rdparty/toluapp/src/bin/lua/package.lua

@@ -108,7 +108,7 @@ end
 function classPackage:preamble ()
  output('/*\n')
  output('** Lua binding: '..self.name..'\n')
- output('** Generated automatically by '..TOLUA_VERSION..' on '..date()..'.\n')
+ output('** Generated automatically by '..TOLUA_VERSION..'.\n')
  output('*/\n\n')
 
 	output('#ifndef __cplusplus\n')
@@ -133,7 +133,7 @@ function classPackage:preamble ()
 		output('\n')
 		output('/* function to release collected object via destructor */')
 		output('#ifdef __cplusplus\n')
-		for i,v in pairs(_collect) do
+		for i,v in ipairs(_collect) do
 		 output('\nstatic int '..v..' (lua_State* tolua_S)')
 			output('{')
 			output(' '..i..'* self = ('..i..'*) tolua_tousertype(tolua_S,1,0);')
@@ -152,7 +152,7 @@ function classPackage:preamble ()
 	if flags.t then
 		output("#ifndef Mtolua_typeid\n#define Mtolua_typeid(L,TI,T)\n#endif\n")
 	end
-	for n,v in pairs(_usertype) do
+	for n,v in ipairs(_usertype) do
 		if (not _global_classes[v]) or _global_classes[v]:check_public_access() then
 			output(' tolua_usertype(tolua_S,"',v,'");')
 			if flags.t then