fix missing translation helper call

[akkspros]

fixed missing translation helper call

[pedro-mendonca]

What about a complete sentence?

Example:

<div class="slide-count">
    <?php
        printf(
            esc_html__( '%1$s of %2$s', 'slide' ),
            '<span class="slide-current-number">&hellip;</span>',
            '<span class="slide-total-number">&hellip;</span>'
        );
    ?>
</div>

[akkspros]

@ellatrix can you check this please