cmd/yacc: always import fmt, safely The parser depends on it but the client might not import it, so make sure it's there. Fixes issue 4038.
cmd/yacc: always import fmt, safely
The parser depends on it but the client might not import it, so make sure it's there.
Fixes issue 4038.

R=golang-dev, rsc
CC=golang-dev
http://codereview.appspot.com/6497094

h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang