msvc: Fix some signedness warnings

1 files changed, 2 insertions, 2 deletions

diff --git a/src/lib.c b/src/lib.c
index 79becea..25b636d 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -355,8 +355,8 @@ static int drain_picture(Dav1dContext *const c, Dav1dPicture *const out) {
         Dav1dThreadPicture *const out_delayed =
             &c->frame_thread.out_delayed[next];
         if (out_delayed->p.data[0]) {
-            if (atomic_load(&c->task_thread.first) + 1 < c->n_fc)
-                atomic_fetch_add(&c->task_thread.first, 1);
+            if (atomic_load(&c->task_thread.first) + 1U < c->n_fc)
+                atomic_fetch_add(&c->task_thread.first, 1U);
             else
                 atomic_store(&c->task_thread.first, 0);
             if (c->task_thread.cur && c->task_thread.cur < c->n_fc)