hg: jdk7u/jdk7u6/langtools: Added tag jdk7u6-b21 for changeset a35ca56cf8d0

[christine . lu]

Changeset: 4f3aafa690d1
Author:    cl
Date:      2012-07-27 16:15 -0700
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u6/langtools/rev/4f3aafa690d1

Added tag jdk7u6-b21 for changeset a35ca56cf8d0

! .hgtags