pprof: fix import path in the documentation
pprof: fix import path in the documentation

R=golang-dev, n13m3y3r
CC=golang-dev
http://codereview.appspot.com/5649072

Committer: Gustavo Niemeyer <beac5f8171fcde5e2ec734cc5d25d03e7362e8de@niemeyer.net>
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go