alts: Specify the build constraints correctly. (#3877)
From the official docs:
A build constraint is evaluated as the OR of space-separated options.
Each option evaluates as the AND of its comma-separated terms.
diff --git a/credentials/alts/alts_test.go b/credentials/alts/alts_test.go
index ed13ee4..cbb1656 100644
--- a/credentials/alts/alts_test.go
+++ b/credentials/alts/alts_test.go
@@ -1,4 +1,4 @@
-// +build linux,windows
+// +build linux windows
/*
*
diff --git a/credentials/alts/utils_test.go b/credentials/alts/utils_test.go
index d33f189..b9e752e 100644
--- a/credentials/alts/utils_test.go
+++ b/credentials/alts/utils_test.go
@@ -1,4 +1,4 @@
-// +build linux,windows
+// +build linux windows
/*
*
