6687968: PNGImageReader leaks native memory through an Inflater.

[Martin Buchholz]

Hi,

I'd like to trivially backport to openjdk6:

Changeset: 94bcd3503668
Author:    bae
Date:      2008-07-25 14:46 +0400
URL:       http://hg.openjdk.java.net/jdk7/2d/jdk/rev/94bcd3503668

6687968: PNGImageReader leaks native memory through an Inflater.
Reviewed-by: igor, prr

! src/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java
! src/share/classes/com/sun/imageio/plugins/png/PNGImageWriter.java

Martin