Make subprocess2.check_call() compliant with subprocess.check_call().

checkout.py

Index: checkout.py
diff --git a/checkout.py b/checkout.py
index fcdea220a2373df292ff5502e035738789fc5e9c..9abd92510d81c567466d3b39454e333f04d59374 100644
--- a/checkout.py
+++ b/checkout.py
@@ -183,7 +183,8 @@ class SvnMixIn(object):
     """Runs svn and throws an exception if the command failed."""
     kwargs.setdefault('cwd', self.project_path)
     kwargs.setdefault('stdout', self.VOID)
-    return subprocess2.check_call(self._add_svn_flags(args, False), **kwargs)
+    return subprocess2.check_call_out(
+        self._add_svn_flags(args, False), **kwargs)
 
   def _check_output_svn(self, args, **kwargs):
     """Runs svn and throws an exception if the command failed.
@@ -412,7 +413,7 @@ class GitCheckoutBase(CheckoutBase):
   def _check_call_git(self, args, **kwargs):
     kwargs.setdefault('cwd', self.project_path)
     kwargs.setdefault('stdout', self.VOID)
-    return subprocess2.check_call(['git'] + args, **kwargs)
+    return subprocess2.check_call_out(['git'] + args, **kwargs)
 
   def _call_git(self, args, **kwargs):
     """Like check_call but doesn't throw on failure."""