http: update triv.go with gofix
Sample code in triv.go wouldn't compile because it didn't use the new
FileSystem interface.
This was discussed on golang-nuts on July 7.
https://groups.google.com/forum/#!topic/golang-nuts/NMhZk3Ft_Vc
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/4684044
diff --git a/src/pkg/http/triv.go b/src/pkg/http/triv.go
index bff6a10..54b1233 100644
--- a/src/pkg/http/triv.go
+++ b/src/pkg/http/triv.go
@@ -138,7 +138,7 @@
expvar.Publish("counter", ctr)
http.Handle("/", http.HandlerFunc(Logger))
- http.Handle("/go/", http.FileServer(*webroot, "/go/"))
+ http.Handle("/go/", http.StripPrefix("/go/", http.FileServer(http.Dir(*webroot))))
http.Handle("/flags", http.HandlerFunc(FlagServer))
http.Handle("/args", http.HandlerFunc(ArgServer))
http.Handle("/go/hello", http.HandlerFunc(HelloServer))
