Fix #2 for Page Navigation Plugin - User Auth View

Fixed code style (spaces around the concatenating dots).
Travis was not happy with my 1st PR joomla#5698

plugins/content/pagenavigation/pagenavigation.php

@@ -139,7 +139,7 @@ public function onContentBeforeDisplay($context, &$row, &$params, $page = 0)
 				->join('LEFT', '#__categories AS cc ON cc.id = a.catid')
 				->where(
 					'a.catid = ' . (int) $row->catid . ' AND a.state = ' . (int) $row->state
-						. ($canPublish ? '' : ' AND a.access IN ('.implode(",", JAccess::getAuthorisedViewLevels($user->id)).') '). $xwhere
+						. ($canPublish ? '' : ' AND a.access IN (' . implode(",", JAccess::getAuthorisedViewLevels($user->id)) . ') ') . $xwhere
 				);
 			$query->order($orderby);