internal/gophers: update Dmitri Shuralyov's emails

Add my @golang.org email.

Change-Id: Icb0fd9447e20e454a885a5fb19ad61733ae68f46
Reviewed-on: https://go-review.googlesource.com/129996
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/internal/gophers/gophers.go b/internal/gophers/gophers.go
index ac66604..c8f11ee 100644
--- a/internal/gophers/gophers.go
+++ b/internal/gophers/gophers.go
@@ -466,7 +466,7 @@
 	addPerson("Dirk Gadsden", "dirk@esherido.com", "@dirk")
 	addPerson("Diwaker Gupta", "diwakergupta@gmail.com", "@diwakergupta")
 	addPerson("Dmitri Popov", "operator@cv.dp-net.com", "@pin")
-	addPerson("Dmitri Shuralyov", "dmitri@shuralyov.com", "shurcool@gmail.com", "@dmitshur")
+	addPerson("Dmitri Shuralyov", "dmitshur@golang.org", "dmitri@shuralyov.com", "shurcool@gmail.com", "@dmitshur")
 	addPerson("Dmitriy Dudkin", "dudkin.dmitriy@gmail.com", "@tmwh")
 	addPerson("Dmitry Chestnykh", "dchest@gmail.com", "@dchest")
 	addPerson("Dmitry Pokidov", "dooman87@gmail.com")