support go1.17 build constraint syntax (#1891)

https://tip.golang.org/doc/go1.17

Fixes #1890

Author: willnorris

github/gen-accessors.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build ignore
 // +build ignore
 
 // gen-accessors generates accessor methods for structs with pointer fields.

github/gen-stringify-test.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build ignore
 // +build ignore
 
 // gen-stringify-test generates test methods to test the String methods.

github/with_appengine.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build appengine
 // +build appengine
 
 // This file provides glue for making github work on App Engine.

github/without_appengine.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !appengine
 // +build !appengine
 
 // This file provides glue for making github work without App Engine.

test/integration/activity_test.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build integration
 // +build integration
 
 package integration

test/integration/audit_log_test.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build integration
 // +build integration
 
 package integration

test/integration/authorizations_test.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build integration
 // +build integration
 
 package integration

test/integration/github_test.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build integration
 // +build integration
 
 package integration

test/integration/issues_test.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build integration
 // +build integration
 
 package integration

test/integration/misc_test.go

@@ -3,6 +3,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build integration
 // +build integration
 
 package integration