Add SB Curated (copied from the smartbugs repository).

dataset/access_control/mycontract.sol

@@ -0,0 +1,24 @@
+/*
+ * @source: https://consensys.github.io/smart-contract-best-practices/recommendations/#avoid-using-txorigin
+ * @author: Consensys Diligence
+ * @vulnerable_at_lines: 20
+ * Modified by Gerhard Wagner
+ */
+
+pragma solidity ^0.4.24;
+
+contract MyContract {
+
+    address owner;
+
+    function MyContract() public {
+        owner = msg.sender;
+    }
+
+    function sendTo(address receiver, uint amount) public {
+        // <yes> <report> ACCESS_CONTROL
+        require(tx.origin == owner);
+        receiver.transfer(amount);
+    }
+
+}