rpcrt4/tests: Avoid a printf format warning.

dlls/rpcrt4/tests/rpc.c

@@ -896,9 +896,9 @@ static void test_RpcIfInqId(void)
         ok(status == RPC_S_OK, "Test %u: Expected %#x, got %#x.\n", test_idx, RPC_S_OK, status);
         ok(!memcmp(&if_id.Uuid, &guid, sizeof(guid)), "Test %u: Expected UUID %s, got %s.\n", test_idx,
                 wine_dbgstr_guid(&guid), wine_dbgstr_guid(&if_id.Uuid));
-        ok(if_id.VersMajor == 1, "Test %u: Expected major version %hu, got %hu.\n", test_idx, 1,
+        ok(if_id.VersMajor == 1, "Test %u: Expected major version 1, got %hu.\n", test_idx,
                 if_id.VersMajor);
-        ok(if_id.VersMinor == 2, "Test %u: Expected minor version %hu, got %hu.\n", test_idx, 2,
+        ok(if_id.VersMinor == 2, "Test %u: Expected minor version 2, got %hu.\n", test_idx,
                 if_id.VersMinor);
     }
 }