Fix PMPro Payfast showing SSL error in admin menus when set up correctly.

my_pmpro_payfast_fix_warning.php

<?php

// Copy from below here...

/*
 * Fix PMPro Payfast showing SSL error in admin menus
 * when set up correctly.
 */
function my_pmpro_payfast_fix_warning( $pmpro_is_ready ) {
	global $pmpro_gateway_ready, $pmpro_pages_ready;

	if ( empty($pmpro_gateway_ready) && 'payfast' === pmpro_getOption( 'gateway' ) ) {
		if( pmpro_getOption( 'payfast_merchant_id' ) && pmpro_getOption( 'payfast_merchant_key' ) && pmpro_getOption( 'payfast_passphrase' ) ) {
			$pmpro_gateway_ready = true;
		}
	}

	return ( $pmpro_gateway_ready && $pmpro_pages_ready );
}
add_filter( 'pmpro_is_ready', 'my_pmpro_payfast_fix_warning' );