cmd/coordinator: drop special revdial package import name

This is the last remaining revdialv2 reference, missed by
https://golang.org/cl/208598.

Change-Id: I2ebf774b0e7c1e8d34e40b9768f8924248f077f0
Reviewed-on: https://go-review.googlesource.com/c/build/+/354290
Trust: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/cmd/coordinator/coordinator.go b/cmd/coordinator/coordinator.go
index f75ed24..99ce1df 100644
--- a/cmd/coordinator/coordinator.go
+++ b/cmd/coordinator/coordinator.go
@@ -70,7 +70,7 @@
 	"golang.org/x/build/livelog"
 	"golang.org/x/build/maintner/maintnerd/apipb"
 	"golang.org/x/build/repos"
-	revdialv2 "golang.org/x/build/revdial/v2"
+	"golang.org/x/build/revdial/v2"
 	"golang.org/x/build/types"
 	"golang.org/x/crypto/acme/autocert"
 	perfstorage "golang.org/x/perf/storage"
@@ -424,7 +424,7 @@
 	http.HandleFunc("/builders", handleBuilders)
 	http.HandleFunc("/temporarylogs", handleLogs)
 	http.HandleFunc("/reverse", pool.HandleReverse)
-	http.Handle("/revdial", revdialv2.ConnHandler())
+	http.Handle("/revdial", revdial.ConnHandler())
 	http.HandleFunc("/style.css", handleStyleCSS)
 	http.HandleFunc("/try", serveTryStatus(false))
 	http.HandleFunc("/try.json", serveTryStatus(true))