Give the context structure of ra288 a better name: s/Real288_internal/RA288Context/
Give the context structure of ra288 a better name: s/Real288_internal/RA288Context/

git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@14413 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg