avformat/oggparseopus: Fix Undefined behavior in oggparseopus.c and libavformat/utils.c

Fixes: usan_granule_overflow

constant type fix by commiter
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavformat/oggparseopus.c

@@ -117,7 +117,7 @@ static int opus_packet(AVFormatContext *avf, int idx)
 
     if (!os->psize)
         return AVERROR_INVALIDDATA;
-    if (os->granule > INT64_MAX - UINT32_MAX) {
+    if (os->granule > (1LL << 62)) {
         av_log(avf, AV_LOG_ERROR, "Unsupported huge granule pos %"PRId64 "\n", os->granule);
         return AVERROR_INVALIDDATA;
     }