Fix declared and not set errors in old ptrace package (still used by ogle)
Fix declared and not set errors in old ptrace package (still
used by ogle)

R=rsc
APPROVED=rsc
DELTA=4  (0 added, 1 deleted, 3 changed)
OCL=34852
CL=34964

tav/go,tav/go,tav/go,tav/go,tav/go,tav/go,tav/go