Compilers may assume a pointer has natural alignment, even if it was
assigned from a pointer type with weaker alignment requirements. It
is thus not safe to assign a possibly unaligned value to a pointer,
regardless of how it is subsequently dereferenced.
Originally committed as revision 24897 to svn://svn.ffmpeg.org/ffmpeg/trunk
Other parts of FFmpeg use NE (native endian) rather than ME (machine).
This makes it consistent.
Originally committed as revision 24169 to svn://svn.ffmpeg.org/ffmpeg/trunk
