Issue #2290767 by yukare: Replace removed cache() function.

CHANGELOG.txt

 
 Libraries 8.x-3.x, xxxx-xx-xx
 -----------------------------
+#2290767 by yukare: Replace removed cache() function.
 #2183087 by tstoeckler, rjacobs: Update for removed core functions.
 by tstoeckler: Fix tests.
 by tstoeckler: Provide required 'type' key in test library info file.

libraries.module

@@ -590,13 +590,13 @@ function libraries_load($name, $variant = NULL) {
   $loaded = &drupal_static(__FUNCTION__, array());
 
   if (!isset($loaded[$name])) {
-    $library = cache('libraries')->get($name);
+    $library = \Drupal::cache('libraries')->get($name);
     if ($library) {
       $library = $library->data;
     }
     else {
       $library = libraries_detect($name);
-      cache('libraries')->set($name, $library);
+      \Drupal::cache('libraries')->set($name, $library);
     }
     // If a variant was specified, override the top-level properties with the
     // variant properties.