Use -A and -u in pthreaded ubik rxgen

Use -A and -u in pthreaded ubik rxgen

Use -A for rxgen in tvlserver and tptserver to generate ANSI code, so we
don't generate warnings. Also use -u in tubik rxgen, so we generate the
ubik_* functions that new code uses.

Change-Id: Id13168e65e36aeebf48610c28e7b3df2164fc073
Reviewed-on: http://gerrit.openafs.org/1210
Reviewed-by: Simon Wilkinson <sxw@inf.ed.ac.uk>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>