Minor formatting change

contracts/token/StandardToken.sol

@@ -67,13 +67,13 @@ contract StandardToken is ERC20, BasicToken {
    * the first transaction is mined)
    * From MonolithDAO Token.sol
    */
-  function increaseApproval (address _spender, uint _addedValue) public returns (bool) {
+  function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
     allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
     Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
     return true;
   }
 
-  function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool) {
+  function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
     uint oldValue = allowed[msg.sender][_spender];
     if (_subtractedValue > oldValue) {
       allowed[msg.sender][_spender] = 0;