Fix clang-format: add newlines

Author: PauLopNun

src/main/java/com/thealgorithms/sorts/BinaryTreeSort.java

@@ -64,4 +64,4 @@ private <T extends Comparable<T>> void inorder(TreeNode<T> root, List<T> result)
             inorder(root.right, result);
         }
     }
-}
+}

src/test/java/com/thealgorithms/sorts/BinaryTreeSortTest.java

@@ -5,4 +5,4 @@ public class BinaryTreeSortTest extends SortingAlgorithmTest {
     SortAlgorithm getSortAlgorithm() {
         return new BinaryTreeSort();
     }
-}
+}