avoid shadowed declaration

ethereum/contracts/core/ValidationPools.sol

@@ -247,13 +247,13 @@ contract ValidationPools is Reputation, Forum {
             }
             // Due to rounding, there may be some excess REP. Award it to the author.
             uint remainder = totalRewards - totalAllocated;
-            uint reward = pool.minted / 2 + remainder;
             if (pool.minted % 2 != 0) {
                 // We staked the odd remainder in favor of the post, on behalf of the author.
-                reward += 1;
+                remainder += 1;
             }
+
             // Transfer REP to the forum instead of to the author directly
-            _onValidatePost(pool.postIndex, reward);
+            _onValidatePost(pool.postIndex, pool.minted / 2 + remainder);
         } else {
             // If vote does not pass, divide the losing stake among the winners
             totalRewards += pool.minted;