add missing cache

Author: sokra

lib/NormalModule.js

@@ -191,7 +191,11 @@ class NormalModule extends Module {
 	 * @returns {string | null} an identifier for library inclusion
 	 */
 	libIdent(options) {
-		return contextify(options.context, this.userRequest);
+		return contextify(
+			options.context,
+			this.userRequest,
+			options.associatedObjectForCache
+		);
 	}
 
 	/**