mozilla: no functional changes
mozilla: no functional changes

* Rename i_playing to is_playing
* Handle case of p_md being NULL.

chengsun/gtk-npapi-vlc,rdp/npapi-vlc,rdp/npapi-vlc,modulexcite/npapi-vlc,jamesbates/npapi-vlc,rdp/npapi-vlc,chengsun/gtk-npapi-vlc,modulexcite/npapi-vlc,modulexcite/npapi-vlc,rdp/npapi-vlc,jamesbates/npapi-vlc,jamesbates/npapi-vlc,chengsun/gtk-npapi-vlc,modulexcite/npapi-vlc