internal: fix broken auth header provider

Change I9cfd46787ebfb27cf2775dd3357eb26e089322a3 added
login.microsoft.net as a broken auth header provider. This was meant to
be login.windows.net. This change removes login.microsoft.net and adds
login.windows.net.

Change-Id: I6178053ab5c86b4f38996042384e1f4a139560aa
Reviewed-on: https://go-review.googlesource.com/47250
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/internal/token.go b/internal/token.go
index 766cfb6..0487c81 100644
--- a/internal/token.go
+++ b/internal/token.go
@@ -104,9 +104,9 @@
 	"https://app.box.com/",
 	"https://connect.stripe.com/",
 	"https://graph.facebook.com", // see https://github.com/golang/oauth2/issues/214
-	"https://login.microsoft.net",
 	"https://login.microsoftonline.com/",
 	"https://login.salesforce.com/",
+	"https://login.windows.net",
 	"https://oauth.sandbox.trainingpeaks.com/",
 	"https://oauth.trainingpeaks.com/",
 	"https://oauth.vk.com/",