Fix a warning due to missing first parameter when testData::OutputEditor() is called from adminTestResults.php.

At this point we never expect to have a $sDistribution so we can just default the parameter to a null string

include/testResults.php

@@ -446,7 +446,7 @@ class testData{
     }
 
     // show the fields for editing
-    function OutputEditor($sDistribution, $bNewDist=false)
+    function OutputEditor($sDistribution="", $bNewDist=false)
     {
         HtmlAreaLoaderScript(array("Test1", "Test2", "Test3"));