[S390] update fs3270 to use a struct pid

[clg at fr.ibm.com (Cedric Le Goater)]

Eric W. Biederman wrote:
> Cedric Le Goater <clg at fr.ibm.com> writes:
> 
>> this patch replaces the pid_t value with a struct pid to avoid pid wrap
>> around problems.
> 
> This patch looks good here.
> Signed-off-by: Eric Biederman <ebiederm at xmission.com>

This is a patch for 2.6.18-rc6-mm2.

thanks,

C.