hg: jdk7u/jdk7u6/jdk: Added tag jdk7u6-b21 for changeset 243717d7fe95

[christine . lu]

Changeset: 6173fdbaf945
Author:    cl
Date:      2012-07-27 16:14 -0700
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u6/jdk/rev/6173fdbaf945

Added tag jdk7u6-b21 for changeset 243717d7fe95

! .hgtags