Fix libmpcodecs inline asm on ICL.

Author: Matt Oliver <protogonoi@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@37182 b3059339-0415-0410-9bf9-f77b7e298cf2