avio_skip returns file position and overflows int
---
 libavformat/asfdec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 34730b2..10d3396 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -976,7 +976,8 @@ static int asf_read_simple_index(AVFormatContext *s, const 
GUIDParseTable *g)
     uint64_t interval; // index entry time interval in 100 ns units, usually 
it's 1s
     uint32_t pkt_num, nb_entries;
     int32_t prev_pkt_num = -1;
-    int i, ret;
+    int i;
+    int64_t ret;
     uint64_t size = avio_rl64(pb);
 
     // simple index objects should be ordered by stream number, this loop 
tries to find
-- 
2.9.3

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