Remove execute bit from binaries install in the toolchain

lib/naclports/tests/test_binary_package.py

Index: lib/naclports/tests/test_binary_package.py
diff --git a/lib/naclports/tests/test_binary_package.py b/lib/naclports/tests/test_binary_package.py
index 132fe3384ac028b115e23d61b8594079e0749ad2..ea9f79ad9addd4db7ed1c0ce543f078e855cd601 100644
--- a/lib/naclports/tests/test_binary_package.py
+++ b/lib/naclports/tests/test_binary_package.py
@@ -16,9 +16,11 @@ class TestBinaryPackage(common.NaclportsTest):
   @patch('os.makedirs')
   @patch('os.path.isdir', Mock(return_value=False))
   def testInstallFile(self, makedirs_mock, rename_mock):
-    binary_package.InstallFile('fname', 'location1', 'location2')
-    makedirs_mock.assert_called_once_with('location2')
-    rename_mock.assert_has_calls([call('location1/fname', 'location2/fname')])
+    mock_file = common.MockFileObject()
+    with patch('__builtin__.open', Mock(return_value=mock_file)):
+      binary_package.InstallFile('fname', 'location1', 'location2')
+      makedirs_mock.assert_called_once_with('location2')
+      rename_mock.assert_has_calls([call('location1/fname', 'location2/fname')])
 
   def testRelocateFile(self):
     # Only certain files should be relocated. A file called 'testfile'