hg: jdk7u/jdk7u6/hotspot: Added tag jdk7u6-b21 for changeset 02a6c89432d7

[christine . lu]

Changeset: a79d86eef6ac
Author:    cl
Date:      2012-07-27 16:14 -0700
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u6/hotspot/rev/a79d86eef6ac

Added tag jdk7u6-b21 for changeset 02a6c89432d7

! .hgtags