Add D11 compatibility fixes

Closes #3492782

src/JavascriptLocalCache.php

@@ -87,7 +87,7 @@ class JavascriptLocalCache {
    *
    * @param bool $synchronize
    *   Synchronize to local cache if remote file has changed.
-*
+   *
    * @return string
    *   The path to the local or remote tracking file.
    */