win msvs: make ordering match .gyp order

test/win/linker-flags/z.cc

Index: test/win/linker-flags/z.cc
diff --git a/test/prune_targets/lib3.cc b/test/win/linker-flags/z.cc
similarity index 88%
copy from test/prune_targets/lib3.cc
copy to test/win/linker-flags/z.cc
index af0f717b020e5bebb15a650338520ff2bc9becf9..8a43501270ae8aa85be0fa9a20c9e36a0b93eb93 100644
--- a/test/prune_targets/lib3.cc
+++ b/test/win/linker-flags/z.cc
@@ -2,5 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-void libfunc3() {
+int z() {
+  return 3;
 }