The header was never installed and the function is only used in libavformat
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
Patch by Cyril Comparon: standard_gmail_full_name_address
Original thread: Suggestion for a centralized language-tag facility in libavformat
Date: 04/10/2009 07:33 PM
Originally committed as revision 18698 to svn://svn.ffmpeg.org/ffmpeg/trunk