2016/applicative: fix the build

Updates golang/go#11811

Change-Id: I148208e9e71a3bb86751287bd46ab64c351e89d0
Reviewed-on: https://go-review.googlesource.com/24944
Reviewed-by: Parker Moore <parkrmoore@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/2016/applicative/google-replicated.go b/2016/applicative/google-replicated.go
index 1888857..5c1c593 100644
--- a/2016/applicative/google-replicated.go
+++ b/2016/applicative/google-replicated.go
@@ -1,3 +1,5 @@
+// +build ignore
+
 package main
 
 import (
diff --git a/2016/applicative/google-serial.go b/2016/applicative/google-serial.go
index 250e9c7..89fd63c 100644
--- a/2016/applicative/google-serial.go
+++ b/2016/applicative/google-serial.go
@@ -1,3 +1,5 @@
+// +build ignore
+
 package main
 
 import (
diff --git a/2016/applicative/google-timeout.go b/2016/applicative/google-timeout.go
index 0233f15..ea43b05 100644
--- a/2016/applicative/google-timeout.go
+++ b/2016/applicative/google-timeout.go
@@ -1,3 +1,5 @@
+// +build ignore
+
 package main
 
 import (