iterator: prevent git_iterator_free() from segfaulting when being passed a NULL iterator
diff --git a/src/iterator.h b/src/iterator.h
index 12eb96b..974c2da 100644
--- a/src/iterator.h
+++ b/src/iterator.h
@@ -71,6 +71,9 @@ GIT_INLINE(int) git_iterator_reset(git_iterator *iter)
GIT_INLINE(void) git_iterator_free(git_iterator *iter)
{
+ if (iter == NULL)
+ return;
+
iter->free(iter);
git__free(iter);
}