[Theora-dev] patch to build theora-mmx on AMD64

[Timothy B. Terriberry]

Ralph Giles wrote:
>>* added to each file: typedef unsigned long int ogg_uint64_t
> 
> 
> This is reasonable, since the file will only be compiled with gcc on 
> x86_64. But really we should make libogg provide this type if people
> are wanting it.

Just a general caution that such a type is not particularly
well-supported on all platforms. By which I mean specifically older MSC
compilers. E.g., casting to doubles was unsupported (compile-time
error), IIRC (not that this would affect Theora). I'm not sure what else.