bug#23431: 25.0.93; EWW hangs

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: 23431@debbugs.gnu.org,  jch@pps.univ-paris-diderot.fr
> Date: Tue, 03 May 2016 20:17:43 +0200
> 
> Does the following patch help?  It'll cache the metadata.
> 
> Doesn't make much difference on the test image for me.

Doesn't help here, either.