hg: jdk6/jdk6/langtools: Added tag jdk6-b21 for changeset a9479f61cd7e

[joe . darcy]

Changeset: 0a1d1e4cca18
Author:    darcy
Date:      2011-01-21 16:23 -0800
URL:       http://hg.openjdk.java.net/jdk6/jdk6/langtools/rev/0a1d1e4cca18

Added tag jdk6-b21 for changeset a9479f61cd7e

! .hgtags