Determine size from variable declaration.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37180 b3059339-0415-0410-9bf9-f77b7e298cf2
Copy subsequent video filter settings at once.

Count the existing settings following the deleted one
and copy them all at once.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37181 b3059339-0415-0410-9bf9-f77b7e298cf2