hg: jdk7u/jdk7u2/hotspot: Added tag jdk7u2-b21 for changeset 0744602f85c6

[christine . lu]

Changeset: 6259c6d3bbb7
Author:    cl
Date:      2011-12-12 23:08 -0800
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u2/hotspot/rev/6259c6d3bbb7

Added tag jdk7u2-b21 for changeset 0744602f85c6

! .hgtags