Fix for failing test "Whitespace found at end of line"

lib/Cake/Network/CakeResponse.php

@@ -838,7 +838,7 @@ class CakeResponse {
 			$this->_cacheDirectives['private'] = true;
 			unset($this->_cacheDirectives['public']);
 		}
-		
+
 		$this->maxAge($time);
 		if (!$time) {
 			$this->_setCacheControl();