add all .hx files to Lexer cache to avoid string interpolation issues

typer.ml

@@ -339,7 +339,7 @@ let parse_string ctx s p inlined =
 		Lexer.restore old;
 		Parser.display_error := old_de
 	in
-	Lexer.init p.pfile false;
+	Lexer.init p.pfile (ExtString.String.ends_with p.pfile ".hx");
 	Parser.display_error := (fun e p -> raise (Parser.Error (e,p)));
 	if not inlined then Parser.resume_display := null_pos;
 	let _, decls = try