Ensure we don't break the middleware/extensions examples. (#537)

* Ensure we don't break the middleware/extensions examples.

* Fixed bug, just like this PR is meant to do. :)

circle.yml

@@ -33,6 +33,10 @@ test:
         pwd: $GO_PROJECT
     - make test-datastore:
         pwd: $GO_PROJECT
+    - go build:
+        pwd: $GO_PROJECT/examples/middleware
+    - go build:
+        pwd: $GO_PROJECT/examples/extensions
 
 deployment:
   release:

examples/middleware/main.go

@@ -16,7 +16,7 @@ import (
 func main() {
 	ctx := context.Background()
 
-	funcServer := server.NewEnv(ctx)
+	funcServer := server.NewFromEnv(ctx)
 
 	funcServer.AddMiddlewareFunc(func(ctx server.MiddlewareContext, w http.ResponseWriter, r *http.Request, app *models.App) error {
 		start := time.Now()