ext/ffmpeg/gstffmpegcodecmap.c: Pad codec data buffer to a size that is a multiple of 16, which ffmpeg apparently nee...

Original commit message from CVS:
* ext/ffmpeg/gstffmpegcodecmap.c: (gst_ffmpeg_caps_with_codecid):
Pad codec data buffer to a size that is a multiple of 16, which
ffmpeg apparently needs for optimized/unchecked access to the
data. Fixes crashes with HD h264 video.