FS#11347 by me: *dir LUA functions: luadir module

mkdir and rmdir are now in this module and not in the rockbox API
implements the 'dir' iterator to browse directories

Based on LuaFileSystem : http://www.keplerproject.org/luafilesystem

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26913 a1c6a512-1295-4272-9138-f99709370657

apps/plugins/lua/rocklua.c

@@ -26,6 +26,7 @@
 #include "lualib.h"
 #include "rocklib.h"
 #include "rockmalloc.h"
+#include "luadir.h"
 
 PLUGIN_HEADER
 
@@ -39,6 +40,7 @@ static const luaL_Reg lualibs[] = {
   {LUA_IOLIBNAME,   luaopen_io},
   {LUA_LOADLIBNAME, luaopen_package},
   {LUA_MATHLIBNAME, luaopen_math},
+  {LUA_DIRLIBNAME,  luaopen_luadir},
   {NULL, NULL}
 };