[BUGFIX] Fixed menu generation for facets.

* Added '/' as separator to menu entry prefix
  to prevent wrong assignments. Before 2-144/27/28 would be assigned
  as child of 1-144/2, not only 2-144/27.

Author: Daniel Siepmann

Classes/Facet/HierarchicalFacetHelper.php

@@ -89,7 +89,7 @@ public function getMenuStructure($content, array $configuration) {
 	protected function getSubMenu(array $facetOptions, $menuName, $level) {
 		$menu = array();
 
-		$subMenuEntryPrefix = $level . '-' . $menuName;
+		$subMenuEntryPrefix = $level . '-' . $menuName . '/';
 
 		foreach ($facetOptions as $facetOptionKey => $facetOption) {
 				// find the sub menu items for the current menu
@@ -143,4 +143,4 @@ protected function getFacetOptionLabel($facetOptionKey, $facetOptionResultCount)
 	include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['ext/solr/Classes/Facet/HierarchicalFacetHelper.php']);
 }
 
-?>
+?>