Not a bugfix, but might fix CID1604361 Overflowed constant

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavcodec/vvc/refs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vvc/refs.c b/libavcodec/vvc/refs.c
index 26a5b0b34cc..c1fc6132c2e 100644
--- a/libavcodec/vvc/refs.c
+++ b/libavcodec/vvc/refs.c
@@ -310,7 +310,7 @@ void ff_vvc_bump_frame(VVCContext *s, VVCFrameContext *fc)
 
 static VVCFrame *find_ref_idx(VVCContext *s, VVCFrameContext *fc, int poc, 
uint8_t use_msb)
 {
-    const int mask = use_msb ? ~0 : fc->ps.sps->max_pic_order_cnt_lsb - 1;
+    const unsigned mask = use_msb ? ~0 : fc->ps.sps->max_pic_order_cnt_lsb - 1;
 
     for (int i = 0; i < FF_ARRAY_ELEMS(fc->DPB); i++) {
         VVCFrame *ref = &fc->DPB[i];
-- 
2.45.2

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