[7u40] Request for phase 2 approval for CR 8015334: Memory leak in kerning

[Phil Race]

Bug : http://bugs.sun.com/view_bug.do?bug_id=8015334
Webrev : http://cr.openjdk.java.net/~prr/8015334.jdk7.1
Review: http://mail.openjdk.java.net/pipermail/2d-dev/2013-June/003485.html
Reviewed by Steven Loomis, Andrew Brygin
Rationale : Nasty memory leak which quickly takes down the whole JRE.
Regression introduced in 7u21 - need to fix asap.

-phil.