<AWT Dev> RFR: 8208353: Upgrade JDK 11 to libpng 1.6.35

[Phil Race]

http://cr.openjdk.java.net/~prr/8208353.1

I've made a minor tweak to restore the ifdef at line 287 of pngpriv.h
which hopefully will avoid regressing the PPC fix discussed here

http://mail.openjdk.java.net/pipermail/2d-dev/2018-January/008834.html

But it was almost entirely luck I just remembered about this ... and I 
have no way to verify it on PPC.

-phil.

On 07/28/2018 09:55 PM, Jayathirth D V wrote:
> Hi Phil,
>
> Change looks good to me.
>
> Thanks,
> Jay
>
> -----Original Message-----
> From: Philip Race
> Sent: Friday, July 27, 2018 9:14 AM
> To: awt-dev at openjdk.java.net
> Subject: <AWT Dev> RFR: 8208353: Upgrade JDK 11 to libpng 1.6.35
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8208353
> Webrev : http://cr.openjdk.java.net/~prr/8208353/
>
> We need to update libpng, used only by splashscreen, and only for reading to the new release from 10 days ago
>
> Built on all platforms. Splashscreen tests still pass.
>
> -phil.