hg: jdk9/sandbox/jdk: 8177569: keytool should not warn if signature algorithm used in cacerts is weak

[chris.hegarty at oracle.com]

Changeset: b79469412aa0
Author:    weijun
Date:      2017-03-30 07:29 +0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/b79469412aa0

8177569: keytool should not warn if signature algorithm used in cacerts is weak
Reviewed-by: mullan

! src/java.base/share/classes/sun/security/tools/keytool/Main.java
! test/sun/security/tools/keytool/WeakAlg.java