Fix setting default value of scan_offset option for target svcd.
Fix setting default value of scan_offset option for target svcd.

Patch by Gert Vervoort gert D vervoort A hccnet D nl 


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@15310 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

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