hg: jdk7u/jdk7u2/langtools: Added tag jdk7u2-b21 for changeset fc0769df8cd0

[christine . lu]

Changeset: d50e571b8d00
Author:    cl
Date:      2011-12-12 23:09 -0800
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u2/langtools/rev/d50e571b8d00

Added tag jdk7u2-b21 for changeset fc0769df8cd0

! .hgtags