[7u6] Request for approval: 7153693: Three 2D_ImageIO tests failed due ImageFormatException on OEL 6.* Unbreakable Kernel x64

[Andrew Brygin]

Hello,

Requesting approval to commit fix for 7120895 into 7u6.

The fix has already been pushed to jdk8, the code change for 7u6 is 
identical.

Bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7153693
jdk8 changeset: http://hg.openjdk.java.net/jdk8/2d/jdk/rev/5959fec806d8
Webrev: http://cr.openjdk.java.net/~bae/7153693/7u6/webrev.00/
Review thread: 
http://mail.openjdk.java.net/pipermail/2d-dev/2012-June/002566.html
Reviewed by: Jennifer Godinez, Phil Race

Thanks,
Andrew