Update x264 asm code to latest to add support for 64-bit Windows.Use the new x86inc features to support 64-bit Windows on all non-x264 nasmassembly code as well.Patch by John Adcock, dscaler.johnad AT googlemail DOT com.Win64 changes originally by Anton Mitrofanov....
Convert x264 asm files to proper unix line breaks
Originally committed as revision 17524 to svn://svn.ffmpeg.org/ffmpeg/trunk
Remove (incorrect) filenames from x264 asm files, add descriptions.
Originally committed as revision 17523 to svn://svn.ffmpeg.org/ffmpeg/trunk
Rename libavcodec/i386/ --> libavcodec/x86/.It contains optimizations that are not specific to i386 andlibavutil uses this naming scheme already.
Originally committed as revision 16270 to svn://svn.ffmpeg.org/ffmpeg/trunk