Bug#26922 Test 'varbinary' fails to do copy_file on Windows

- Copy all *.MY* files from std_data/, we have some .MYD and .MYI
files from 4.1 there
5.0 version of make_win_bin_dist copies everything in std_data/

scripts/make_win_bin_dist

@@ -302,6 +302,7 @@ cp mysql-test/std_data/*.cnf        $DESTDIR/mysql-test/std_data/
 cp mysql-test/std_data/*.dat        $DESTDIR/mysql-test/std_data/
 cp mysql-test/std_data/*.frm        $DESTDIR/mysql-test/std_data/
 cp mysql-test/std_data/*.pem        $DESTDIR/mysql-test/std_data/
+cp mysql-test/std_data/*.MY*        $DESTDIR/mysql-test/std_data/
 cp mysql-test/t/*.opt $DESTDIR/mysql-test/t/
 cp mysql-test/t/*.sh $DESTDIR/mysql-test/t/
 cp mysql-test/t/*.slave-mi $DESTDIR/mysql-test/t/