added search form back bouton

sites/all/modules/gui/materiobasemod/materio_search_api.module

@@ -592,13 +592,20 @@ function materio_search_api_search_form($form, &$form_state){
     $default_value = '';
   }
 
-  // add a back tu search/base home bouton if on explore/foo
-  // if ($path == 'explore') {
-  //   $form['actu'] = array(
-  //     '#type' => 'markup',
-  //     '#markup' => '<a href="/actuality"><i class="fi-home"></i></a>'
-  //   );
-  // }
+  // add a back to search/base home bouton if on explore/foo
+  if ($path == 'explore') {
+    $link = l('<i class="fi-home"></i>', base_path().'actuality', array(
+      'html'=>true,
+      'attributes'=>array('class'=>'back-search-home')
+    ));
+
+    $form['actu'] = array(
+      '#type' => 'markup',
+      '#markup' => $link,
+      //'<a href="'.base_path().'actuality" class="back-search-home"><i class="fi-home"></i></a>'
+    );
+  }
+
 
   $form['searchfield'] = array(
     '#type' => 'textfield',