Bug#809949: libtheora: FTBFS with libpng16

[Ralph Giles]

On 04/01/16 02:38 PM, tobi at debian.org wrote:
> libtheora FTBFS during this rebuild. The buildlog is available at
> https://libpng.sviech.de/libtheora.build
> /build/libtheora-1.1.1+dfsg.1/examples/png2theora.c:465: undefined reference to `png_sizeof'
> /build/libtheora-1.1.1+dfsg.1/examples/png2theora.c:467: undefined reference to `png_sizeof'

I suggest applying Tristan Matthew's fix from the upstream repo:

https://git.xiph.org/?p=theora.git;a=commitdiff;h=7288b539c52e99168488dc3a343845c9365617c8

 -r