[PATCH v2 2/6] commit: fix memory leak in `reduce_heads()`

["Martin Ågren" <martin.agren@gmail.com>]

We don't free the temporary scratch space we use with
`remove_redundant()`. Free it similar to how we do it in
`get_merge_bases_many_0()`.

Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Reviewed-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 commit.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/commit.c b/commit.c
index d3150d627..f73976bcc 100644
--- a/commit.c
+++ b/commit.c
@@ -1080,6 +1080,7 @@ struct commit_list *reduce_heads(struct commit_list *heads)
 	num_head = remove_redundant(array, num_head);
 	for (i = 0; i < num_head; i++)
 		tail = &commit_list_insert(array[i], tail)->next;
+	free(array);
 	return result;
 }
 
-- 
2.14.1.727.g9ddaf86