Handle the case where the WAVE magic number was already read in a non-seekable stream.  I don't know if the code works with non-seekable streams anyway, but ...
Handle the case where the WAVE magic number was already read in a non-seekable
stream.  I don't know if the code works with non-seekable streams anyway, but
...

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40172

cebash/SDL_PSL1GHT,aduros/SDL,aduros/SDL,aduros/SDL,cebash/SDL_PSL1GHT,cebash/SDL_PSL1GHT,cebash/SDL_PSL1GHT,cebash/SDL_PSL1GHT,aduros/SDL,aduros/SDL