win: Fix behaviour of MinimumRequiredVersion

test/win/linker-flags/subsystem.gyp

 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
  'targets': [
     {
       'target_name': 'test_console_ok',
       'type': 'executable',
       'msvs_settings': {
@@ skipping 26 matching lines @@
     {
       'target_name': 'test_windows_fail',
       'type': 'executable',
       'msvs_settings': {
         'VCLinkerTool': {
           'SubSystem': '2'
         }
       },
       'sources': ['hello.cc'],
     },
+    {
+      'target_name': 'test_console_xp',
+      'type': 'executable',
+      'msvs_settings': {
+        'VCLinkerTool': {
+          'SubSystem': '1',
+          'MinimumRequiredVersion': '5.01',  # XP.
+        }
+      },
+      'sources': ['hello.cc'],
+    },
+    {
+      'target_name': 'test_windows_xp',
+      'type': 'executable',
+      'msvs_settings': {
+        'VCLinkerTool': {
+          'SubSystem': '2',
+          'MinimumRequiredVersion': '5.01',  # XP.
+        }
+      },
+      'sources': ['subsystem-windows.cc'],
+    },
   ]
 }