Convert tabs to spaces

plugins/VisitsSummary/Controller.php

@@ -44,13 +44,13 @@ class Controller extends \Piwik\Plugin\Controller
         return $view->render();
     }
 
-	// sparkline.js:81 dataTable.trigger('reload', …); does not remove the old headline,
-	// so when updating this graph (such as when selecting a different metric)
-	// ONLY the graph should be returned
-	public function getIndexGraph()
-	{
-		return $this->getEvolutionGraph(array(), array(), __FUNCTION__);
-	}
+    // sparkline.js:81 dataTable.trigger('reload', …); does not remove the old headline,
+    // so when updating this graph (such as when selecting a different metric)
+    // ONLY the graph should be returned
+    public function getIndexGraph()
+    {
+        return $this->getEvolutionGraph(array(), array(), __FUNCTION__);
+    }
 
     public function getSparklines()
     {
@@ -114,8 +114,8 @@ class Controller extends \Piwik\Plugin\Controller
             $selectableColumns[] = 'nb_searches';
             $selectableColumns[] = 'nb_keywords';
         }
-		// $callingAction may be specified to distinguish between
-		// "VisitsSummary_WidgetLastVisits" and "VisitsSummary_WidgetOverviewGraph"
+        // $callingAction may be specified to distinguish between
+        // "VisitsSummary_WidgetLastVisits" and "VisitsSummary_WidgetOverviewGraph"
         $view = $this->getLastUnitGraphAcrossPlugins($this->pluginName, $callingAction, $columns,
             $selectableColumns, $documentation);