Update solidity-by-example.rst

highestBidder is the address.
it's highestBid that should be != 0 to be considered as pending return.

It's that right?
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mirgj 2018-02-22 01:42:57 +08:00 committed by GitHub
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@ -272,7 +272,7 @@ activate themselves.
// money back.
require(msg.value > highestBid);
if (highestBidder != 0) {
if (highestBid != 0) {
// Sending back the money by simply using
// highestBidder.send(highestBid) is a security risk
// because it could execute an untrusted contract.