[Patch]Fix the bug of missing definition of argstr and retstr

[Frank Ch. Eigler]

Hi -

On Fri, Aug 17, 2007 at 12:09:59PM +0900, Cai Fei wrote:
> My probe definition is :
> probe syscall.getpid {
> log(sprint(argstr))
> }

Why not just "log(argstr)" ?

> [...]
> So I think it's better to add all these argstr definitions.

Sure, there is no problem adding them, except that they make the
tapset file larger.

- FChE