Update nacl SDK code to match recent changes to lastchange.py

native_client_sdk/src/build_tools/tests/build_version_test.py

Index: native_client_sdk/src/build_tools/tests/build_version_test.py
diff --git a/native_client_sdk/src/build_tools/tests/build_version_test.py b/native_client_sdk/src/build_tools/tests/build_version_test.py
index 904d966ce923adae9e6bf7503602073d776fda12..d36c58ac67b530b8e13edd87dd6c73dd075a0a5e 100755
--- a/native_client_sdk/src/build_tools/tests/build_version_test.py
+++ b/native_client_sdk/src/build_tools/tests/build_version_test.py
@@ -24,13 +24,8 @@ ProcInfo = collections.namedtuple('ProcInfo', ['returncode', 'output'])
 
 class TestCase(unittest.TestCase):
   def setUp(self):
-    self.fetch_svn = mock.patch('lastchange.FetchSVNRevision').start()
-    self.fetch_git_svn = mock.patch('lastchange.FetchGitSVNRevision').start()
     self.run_git = mock.patch('lastchange.RunGitCommand').start()
 
-    self.fetch_svn.return_value = None
-    self.fetch_git_svn.return_value = None
-
   def tearDown(self):
     mock.patch.stopall()