[Theora-dev] Fix for Theora example encoder

[Timothy B. Terriberry]

Aaron Colwell wrote:
> Here is a patch that prevents the example encoder from rejecting some wav
> files that ffmpeg generates. The problem was that it wasn't properly handling
> the case where extra bytes were added to the header and they weren't a multiple
> of 4 bytes. This fixes that problem by getting the number of extra bytes in the
> header and reading that much data.

Applied.