ui-stats.c: set parent pointer to NULL after freeing it

We do this everywhere else, so we should be doing it here as well.

Signed-off-by: John Keeping <john@keeping.me.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/ui-stats.c b/ui-stats.c
index 6f13c32..a264f6a 100644
--- a/ui-stats.c
+++ b/ui-stats.c
@@ -246,6 +246,7 @@ static struct string_list collect_stats(struct cgit_period *period)
                 add_commit(&authors, commit, period);
                 free_commit_buffer(commit);
                 free_commit_list(commit->parents);
+                commit->parents = NULL;
         }
         return authors;
 }