More error correction.

core/lib/Drupal/Component/PhpStorage/FileStorage.php

@@ -94,7 +94,7 @@ protected function ensureDirectory($directory, $mode = 0777) {
    */
   protected function createDirectory($directory, $mode = 0777) {
     // If running under Windows replace illegal characters with _.
-    $directory = \Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage::sanitizeFilename($directory);
+    $directory = MTimeProtectedFastFileStorage::sanitizeFilename($directory);
     // If the directory exists already, there's nothing to do.
     if (is_dir($directory)) {
       return TRUE;

core/lib/Drupal/Component/PhpStorage/MTimeProtectedFastFileStorage.php

@@ -239,7 +239,7 @@ protected function tempnam($directory, $prefix) {
    * If running under Windows, replace illegal filename characters with _.
    *
    * @param string $filename
-   *   The name of the file or directory we want to sanitise.
+   *   The name of the file or directory we want to sanitize.
    *
    * @return string
    *