removed lots of trailing whitespace

1 files changed, 4 insertions, 4 deletions

diff --git a/core/DataTable/Filter/ColumnCallbackAddColumn.php b/core/DataTable/Filter/ColumnCallbackAddColumn.php
index 0084fd076b..27746c4f28 100755
--- a/core/DataTable/Filter/ColumnCallbackAddColumn.php
+++ b/core/DataTable/Filter/ColumnCallbackAddColumn.php
@@ -13,13 +13,13 @@ use Piwik\DataTable\BaseFilter;
 
 /**
  * Adds a new column to every row of a {@link DataTable} based on the result of callback.
- * 
+ *
  * **Basic usage example**
- * 
+ *
  *     $callback = function ($visits, $timeSpent) {
  *         return round($timeSpent / $visits, 2);
  *     };
- *     
+ *
  *     $dataTable->filter('ColumnCallbackAddColumn', array(array('nb_visits', 'sum_time_spent'), 'avg_time_on_site', $callback));
  *
  * @api
@@ -93,7 +93,7 @@ class ColumnCallbackAddColumn extends BaseFilter
                 }
 
                 $parameters = array_merge($columnValues, $functionParams);
-                
+
                 return call_user_func_array($functionToApply, $parameters);
             });