Add SB Curated (copied from the smartbugs repository).

dataset/unchecked_low_level_calls/0x4051334adc52057aca763453820cb0e045076ef3.sol

@@ -0,0 +1,20 @@
+/*
+ * @source: etherscan.io 
+ * @author: -
+ * @vulnerable_at_lines: 16
+ */
+
+pragma solidity ^0.4.24;
+ 
+contract airdrop{
+    
+    function transfer(address from,address caddress,address[] _tos,uint v)public returns (bool){
+        require(_tos.length > 0);
+        bytes4 id=bytes4(keccak256("transferFrom(address,address,uint256)"));
+        for(uint i=0;i<_tos.length;i++){
+             // <yes> <report> UNCHECKED_LL_CALLS
+            caddress.call(id,from,_tos[i],v);
+        }
+        return true;
+    }
+}