gob: use pointers in bootstrapType so interfaces behave properly and don't lead to a nil reflect.Type. Fixes issue 1626.
gob: use pointers in bootstrapType so interfaces behave properly
and don't lead to a nil reflect.Type.
Fixes issue 1626.

R=rsc
CC=golang-dev
http://codereview.appspot.com/4289062

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