removed 1 invisable character that was causing issue number 555 with webpack and browserfy (#563)

lib/web3/contract.js

@@ -198,7 +198,7 @@ var ContractFactory = function (eth, abi) {
         if (options.value > 0) {
             var constructorAbi = abi.filter(function (json) {
                 return json.type === 'constructor' && json.inputs.length === args.length;
-            })[0] || {};
+            })[0] || {};
 
             if (!constructorAbi.payable) {
                 throw new Error('Cannot send value to non-payable constructor');