Tweak comments so that this test passes with gccgo.
Tweak comments so that this test passes with gccgo.

bug126.go:7:7: error: redefinition of 'none'
bug126.go:6:7: note: previous definition of 'none' was here

R=gri
DELTA=3  (1 added, 0 deleted, 2 changed)
OCL=20563
CL=20723

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