Add a confirmation prompt before logging out the user.

Author: iamdharmesh

views/setup_page.php

@@ -21,7 +21,7 @@
 			<td><h3><?php esc_html_e( 'Logged in as', 'mailchimp' ); ?>: <?php echo esc_html( $user['username'] ); ?></h3>
 			</td>
 			<td>
-				<form method="post" action="">
+				<form method="post" action="" onsubmit="return confirm('<?php echo esc_js( __( 'Are you sure you want to log out?', 'mailchimp' ) ); ?>');">
 					<input type="hidden" name="mcsf_action" value="logout"/>
 					<input type="submit" name="Submit" value="<?php esc_attr_e( 'Logout', 'mailchimp' ); ?>" class="button button-secondary mailchimp-sf-button small" />
 					<?php wp_nonce_field( 'mc_logout', '_mcsf_nonce_action' ); ?>