Fix the spelling for the project name, from "ffmpeg" to "FFmpeg".

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@20339 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

Doxyfile

@@ -17,7 +17,7 @@
 # The PROJECT_NAME tag is a single word (or a sequence of words surrounded
 # by quotes) that should identify the project.
 
-PROJECT_NAME           = ffmpeg
+PROJECT_NAME           = FFmpeg
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number.
 # This could be handy for archiving the generated documentation or