cf0e71b4ed
Code sample for MyCrowdsaleDeployer causes TypeError:
```
browser/MyCrowdsaleDeployer.sol:21:13: TypeError: Invalid type for argument in function call.
Invalid implicit conversion from address to contract IERC20 requested.
address(token) // the token
^------------^
```
Change:
```solidity
address(token) // the token
```
To:
```solidity
token // the token
```
Reported by community member in the forum: https://forum.openzeppelin.com/t/invalid-implicit-conversion-from-address-to-contract-ierc20-requested/1937