verify: don't check for mdc2 hash on Windows

Author: indygreg

src/verify_distribution.py

@@ -76,7 +76,6 @@ def test_hashlib(self):
             "md4",
             "md5",
             "md5-sha1",
-            "mdc2",
             "ripemd160",
             "sha1",
             "sha224",
@@ -101,6 +100,10 @@ def test_hashlib(self):
             "whirlpool",
         }
 
+        # Windows doesn't appear to support mdc2.
+        if os.name != "nt":
+            wanted_hashes.add("mdc2")
+
         for hash in wanted_hashes:
             self.assertIn(hash, hashlib.algorithms_available)