Lua: Fix reference to __instanceof__ since we can just use the static method on Boot

std/lua/LuaString.hx

@@ -0,0 +1,26 @@
+package lua;
+/**
+  These are all externs for the base Lua "string" class.  Note that all
+  relevant indexes are "1" based.
+ **/
+@:native("_G.string")
+extern class LuaString {
+	public static function len(str : String): Int;
+	public static function char(i: Int): String;
+	public static function sub(str : String, start : Int, ?end : Int): String;
+	public static function charCodeAt(str : String, index : Int): Int;
+	public static function find(str : String, target : String, ?start : Int, ?plain : Bool): Int;
+	public static function byte(str : String, ?index : Int) : Int;
+	public static function format(str : String, ?e1 : Dynamic, ?e2 : Dynamic, ?e3 : Dynamic, ?e4 : Dynamic): String;
+
+	@:overload(   function     (str : String, pattern : String, replace : String->Void,   ?n : Int): String {})
+	@:overload(   function     (str : String, pattern : String, replace : String->String, ?n : Int): String {})
+	public static function gsub(str : String, pattern : String, replace : String,		  ?n : Int): String;
+
+	@:overload(   function     (str : String, pattern : String, match : Void->String,   ?n : Int): String->Void {})
+	public static function gmatch(str : String, pattern : String, ?n : Int): Void->String;
+
+	public static function upper(str:String) : String;
+	public static function lower(str:String) : String;
+}
+

std/lua/_std/Std.hx

@@ -29,7 +29,7 @@ import lua.Boot;
 	}
 
 	public static inline function instance<T:{},S:T>( value : T, c : Class<S> ) : S {
-		return untyped __instanceof__(value, c) ? cast value : null;
+		return untyped lua.Boot.__instanceof(value, c) ? cast value : null;
 	}
 
 	@:keep