Make sure we open the verify state file in binary mode to avoid any
possible conversion of NL to CR+NL. This is the same fix we did for 1fb215e991d260a128e35d761f6850e8d9e4c333.
Fixes: https://github.com/axboe/fio/issues/1631 Signed-off-by: Vincent Fu <vincent.fu@samsung.com>