Issue #15406: Fix deprecation warning in ctypes test_bitfields.py

Patch by Flávio Ribeiro.
diff --git a/Lib/ctypes/test/test_bitfields.py b/Lib/ctypes/test/test_bitfields.py
index 28c8795..c89ee34 100644
--- a/Lib/ctypes/test/test_bitfields.py
+++ b/Lib/ctypes/test/test_bitfields.py
@@ -246,9 +246,9 @@
             _fields_ = [("a", c_uint32, 32)]
         x = X()
         x.a = 10
-        self.assertEquals(x.a, 10)
+        self.assertEqual(x.a, 10)
         x.a = 0xFDCBA987
-        self.assertEquals(x.a, 0xFDCBA987)
+        self.assertEqual(x.a, 0xFDCBA987)
 
     @unittest.skipUnless(hasattr(ctypes, "c_uint64"), "c_int64 is required")
     def test_uint64(self):
@@ -256,9 +256,9 @@
             _fields_ = [("a", c_uint64, 64)]
         x = X()
         x.a = 10
-        self.assertEquals(x.a, 10)
+        self.assertEqual(x.a, 10)
         x.a = 0xFEDCBA9876543211
-        self.assertEquals(x.a, 0xFEDCBA9876543211)
+        self.assertEqual(x.a, 0xFEDCBA9876543211)
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/Misc/ACKS b/Misc/ACKS
index 16847be..95c06ba 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -778,6 +778,7 @@
 Bernhard Reiter
 Steven Reiz
 Roeland Rengelink
+Flávio Ribeiro
 Tim Rice
 Francesco Ricciardi
 Jan Pieter Riegel