hg: jdk8/build: Added tag jdk8-b57 for changeset 522dfac8ca4d

[david . katleman]

Changeset: 936702480487
Author:    katleman
Date:      2012-09-20 13:44 -0700
URL:       http://hg.openjdk.java.net/jdk8/build/rev/936702480487

Added tag jdk8-b57 for changeset 522dfac8ca4d

! .hgtags