dmitri.shuralyov.com/service/change/...

httpclient: Use golang.org/x/net/context/ctxhttp package.

The issue https://golang.org/issue/21358 has been resolved upstream,
so there's no more need to use a temporary fork of the ctxhttp package.
dmitshur committed 3 weeks ago commit 7424d8ddca1d310f20d49327fd09b60e29f9d1fd
httpclient/httpclient.go
@@ -9,11 +9,11 @@ import (
 	"net/http"
 	"net/url"
 
 	"dmitri.shuralyov.com/service/change"
 	"dmitri.shuralyov.com/service/change/httproute"
-	"github.com/shurcooL/go/ctxhttp"
+	"golang.org/x/net/context/ctxhttp"
 )
 
 // NewChange creates a client that implements change.Service remotely over HTTP.
 // If a nil httpClient is provided, http.DefaultClient will be used.
 // scheme and host can be empty strings to target local service.