Merge branch 'en/sparse-checkout-leakfix'

Leakfix.

* en/sparse-checkout-leakfix:
  sparse-checkout: fix a couple minor memory leaks

Author: gitster

builtin/sparse-checkout.c

@@ -185,6 +185,8 @@ static void clean_tracked_sparse_directories(struct repository *r)
 				item->string);
 		}
 
+		strvec_clear(&s);
+		clear_pathspec(&p);
 		dir_clear(&dir);
 	}