[FFmpeg-cvslog] avutil/iamf: fix mix_gain_class name

ffmpeg | branch: release/7.0 | James Almer | Wed Apr 24 17:35:36 2024 -0300| [96d941b30ea1d7195ee13dbab192984efb5572b7] | committer: James Almer avutil/iamf: fix mix_gain_class name Signed-off-by: James Almer (cherry picked from commit b9af58184fd3bf6438924ce7e827ed198e517f7f) > http://git.v

[FFmpeg-cvslog] avutil/iamf: fix mix_gain_class name

ffmpeg | branch: master | James Almer | Wed Apr 24 17:35:36 2024 -0300| [b9af58184fd3bf6438924ce7e827ed198e517f7f] | committer: James Almer avutil/iamf: fix mix_gain_class name Signed-off-by: James Almer > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b9af58184fd3bf6438924ce7e827e