fix indent on cond with long expressions

Author: rafaelzlisboa

README.md

@@ -958,21 +958,22 @@ hints for the pairwise grouping with comments or empty lines.
 
  ;; ok-ish
  (cond
- ;; test case 1
- (test1)
- (long-function-name-which-requires-a-new-line
- (complicated-sub-form
+  ;; test case 1
+  (test1)
+  (long-function-name-which-requires-a-new-line
+  (complicated-sub-form
  (-> 'which-spans multiple-lines)))
 
- (test2)
- (another-very-long-function-name
- (yet-another-sub-form
+ ;; test case 2
+ (test2)
+ (another-very-long-function-name
+ (yet-another-sub-form
  (-> 'which-spans multiple-lines)))
 
- :else
- (the-fall-through-default-case
- (which-also-spans 'multiple
- 'lines)))
+  :else
+  (the-fall-through-default-case
+  (which-also-spans 'multiple
+  'lines)))
  ```
 
 * <a name="set-as-predicate"></a>