warnings from Visual C++

ltable.c

@@ -1,5 +1,5 @@
 /*
-** $Id: ltable.c,v 1.25 1999/10/04 17:51:04 roberto Exp roberto $
+** $Id: ltable.c,v 1.26 1999/10/14 19:13:31 roberto Exp roberto $
 ** Lua tables (hash)
 ** See Copyright Notice in lua.h
 */
@@ -63,7 +63,7 @@ static Node *luaH_mainposition (const Hash *t, const TObject *key) {
       lua_error("unexpected type to index table");
       h = 0;  /* to avoid warnings */
   }
-  return &t->node[h%t->size];
+  return &t->node[h%(unsigned int)t->size];
 }