Change to allow str_pos to match when the exclude term is at the root… (

#19979)

* Change to allow str_pos to match when the exclude term is at the root of the path

* updated redirect.php - clearly I was tired with the first pr.

plugins/system/redirect/redirect.php

@@ -169,7 +169,7 @@ private static function doErrorHandling($error)
 			}
 			else
 			{
-				if (StringHelper::strpos($orgurlRel, $exclude->term))
+				if (StringHelper::strpos($orgurlRel, $exclude->term) !== false)
 				{
 					$skipUrl = true;
 					break;