Close the anchor added in r17179.
Close the anchor added in r17179.

This keeps the header description from being rendered blue.

svn path=/trunk/ogg/; revision=18422

youfearm3/ogg,eidy/libogg,emscripten-ports/Ogg,felipebetancur/ogg,ShiftMediaProject/ogg,youfearm3/ogg,nicolaichuk/ogg,mwgoldsmith/ogg,brion/ogg,eidy/libogg,emscripten-ports/Ogg,xiph/ogg,ShiftMediaProject/ogg,brion/ogg,nicolaichuk/ogg,ksophocleous/ogg,ksophocleous/ogg,mwgoldsmith/ogg,xiph/ogg,felipebetancur/ogg