hg: jigsaw/jake/jdk: Tighten up Module attribute parsing

[alan . bateman]

Changeset: e1ee41544a67
Author:    alanb
Date:      2016-02-25 16:25 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/e1ee41544a67

Tighten up Module attribute parsing

! src/java.base/share/classes/java/lang/module/ModuleInfo.java