Fix weird indent issue for inline assembly

contracts/MerkleProof.sol

@@ -20,8 +20,8 @@ library MerkleProof {
     for (uint256 i = 32; i <= _proof.length; i += 32) {
       assembly {
         // Load the current element of the proof
-      proofElement := mload(add(_proof, i))
-          }
+        proofElement := mload(add(_proof, i))
+      }
 
       if (computedHash < proofElement) {
         // Hash(current computed hash + current element of the proof)