use the new type switch multicase to clean up a little.
use the new type switch multicase to clean up a little.

R=rsc
DELTA=28  (7 added, 16 deleted, 5 changed)
OCL=34487
CL=34487

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