html/template: encoding/json does more escaping now, so update the html/template test that uses it.
html/template: encoding/json does more escaping now, so update the html/template test that uses it.

R=golang-dev, r
CC=golang-dev
http://codereview.appspot.com/5714052

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