hg: jdk7/jdk7/hotspot: Added tag hs21-b12 for changeset 9ad1548c6b63

[erik . trimble]

Changeset: 0effff0c9721
Author:    trims
Date:      2011-05-12 21:42 -0700
URL:       http://hg.openjdk.java.net/jdk7/jdk7/hotspot/rev/0effff0c9721

Added tag hs21-b12 for changeset 9ad1548c6b63

! .hgtags