Fixed lint issues

Author: mw2000

contracts/utils/math/Math.sol

@@ -428,4 +428,4 @@ library Math {
     function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
         return uint8(rounding) % 2 == 1;
     }
-}
+}

test/utils/math/Math.t.sol

@@ -195,7 +195,7 @@ contract MathTest is Test {
                 expected = _mulmod(expected, b, m);
             }
 
-            assertEq(result, expected); 
+            assertEq(result, expected);
         }
     }