reflect: trivial addition: Value.NumMethod. Just an oversight it was missing.
reflect: trivial addition: Value.NumMethod.
Just an oversight it was missing.

R=rsc, dsymonds, bradfitz, r
CC=golang-dev
http://codereview.appspot.com/4695059
abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go,abustany/go