rename gts to alts
diff --git a/config.w32 b/config.w32
index c800314..59692aa 100644
--- a/config.w32
+++ b/config.w32
@@ -247,8 +247,8 @@
     "src\\core\\lib\\security\\transport\\tsi_error.cc " +
     "src\\core\\lib\\security\\util\\json_util.cc " +
     "src\\core\\lib\\surface\\init_secure.cc " +
+    "src\\core\\tsi\\alts_transport_security.cc " +
     "src\\core\\tsi\\fake_transport_security.cc " +
-    "src\\core\\tsi\\gts_transport_security.cc " +
     "src\\core\\tsi\\ssl_transport_security.cc " +
     "src\\core\\tsi\\transport_security_grpc.cc " +
     "src\\core\\tsi\\transport_security.cc " +