fix compiler warning

ewingrj · ewingrj · commit da9194155b2e · 2019-02-05T12:54:40.000-08:00
diff --git a/contracts/LiquidPledging.sol b/contracts/LiquidPledging.sol
@@ -81,7 +81,7 @@ contract LiquidPledging is LiquidPledgingBase {
         require(sender.adminType == PledgeAdminType.Giver);
 
         if (token == ETH) {
-            vault.transfer(amount);
+            address(vault).transfer(amount);
         } else {
             require(ERC20(token).transferFrom(msg.sender, address(vault), amount)); // transfer the token to the `vault`
         }

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ contract LiquidPledging is LiquidPledgingBase {`
`81`	`81`	`require(sender.adminType == PledgeAdminType.Giver);`
`82`	`82`
`83`	`83`	`if (token == ETH) {`
`84`		`- vault.transfer(amount);`
	`84`	`+ address(vault).transfer(amount);`
`85`	`85`	`} else {`
`86`	`86`	require(ERC20(token).transferFrom(msg.sender, address(vault), amount)); // transfer the token to the `vault`
`87`	`87`	`}`