fix for timeslot reg limit time selector dropdown count

gistfile1.txt

// replaces lines 183-192 of includes/functions/time_date.php:
			$SQL .= "( SELECT COALESCE( (SELECT sum(quantity) FROM " . EVENTS_ATTENDEE_TABLE . " ATT ";
			$SQL .= "WHERE ATT.event_id= %d ";
			$SQL .= "AND ATT.payment_status != 'Incomplete' ";
			$SQL .= "AND ATT.event_time = ESE.start_time ";
			$SQL .= "AND ATT.end_time = ESE.end_time), 0 ) ) ";
			$SQL .= ") AS available_spaces ";
			$SQL .= "FROM " . EVENTS_START_END_TABLE . " ESE ";
			$SQL .= "WHERE ESE.event_id= %d ";
			$SQL .= "GROUP BY ESE.id ";
      $SQL .= "ORDER BY ESE.start_time";var_dump($SQL);