hg: jdk7u/jdk7u-dev/hotspot: Added tag jdk7u6-b15 for changeset ced728021cf5

[john . coomes]

Changeset: a3b7e95435f5
Author:    vita
Date:      2012-06-22 16:43 -0700
URL:       http://hg.openjdk.java.net/jdk7u/jdk7u-dev/hotspot/rev/a3b7e95435f5

Added tag jdk7u6-b15 for changeset ced728021cf5

! .hgtags