* ruby.c (load_file_internal): no need to cast.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21711 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ruby.c

@@ -1592,7 +1592,7 @@ load_file_internal(VALUE arg)
 	enc = rb_usascii_encoding();
     }
     rb_funcall(f, set_encoding, 2, rb_enc_from_encoding(enc), rb_str_new_cstr("-"));
-    tree = (NODE *)rb_parser_compile_file(parser, fname, f, line_start);
+    tree = rb_parser_compile_file(parser, fname, f, line_start);
     rb_funcall(f, set_encoding, 1, rb_parser_encoding(parser));
     if (script && rb_parser_end_seen_p(parser)) {
 	rb_define_global_const("DATA", f);