Add support for int(r) just like the other numeric classes.
diff --git a/Lib/test/test_rational.py b/Lib/test/test_rational.py
index 0f0a48d..3242e43 100644
--- a/Lib/test/test_rational.py
+++ b/Lib/test/test_rational.py
@@ -160,6 +160,7 @@
 
     def testConversions(self):
         self.assertTypedEquals(-1, trunc(R(-11, 10)))
+        self.assertTypedEquals(-1, int(R(-11, 10)))
         self.assertTypedEquals(-2, R(-11, 10).__floor__())
         self.assertTypedEquals(-1, R(-11, 10).__ceil__())
         self.assertTypedEquals(-1, R(-10, 10).__ceil__())