Add video4linux2 detection to configure. patch by Luca Abeni, lucabe72*at*email*dot*it
Add video4linux2 detection to configure.
patch by Luca Abeni, lucabe72*at*email*dot*it


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@4963 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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