fixed a sig4 bug an non mmx2 cpus (in case of more sig4 errors please send me a "disassemble $eip-16 $eip+16" from gdb)


git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@2182 b3059339-0415-0410-9bf9-f77b7e298cf2