Fixes: division by zero
Fixes: 
26459/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-5666350112178176
Fixes: 
28154/clusterfuzz-testcase-minimized-ffmpeg_dem_MPEGTSRAW_fuzzer-5195728439476224

Found-by: continuous fuzzing process 
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavformat/mpegts.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
index 7549fc91c9..1122455f66 100644
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@@ -135,7 +135,7 @@ struct MpegTSContext {
     int fix_teletext_pts;
 
     int64_t cur_pcr;    /**< used to estimate the exact PCR */
-    int pcr_incr;       /**< used to estimate the exact PCR */
+    int64_t pcr_incr;   /**< used to estimate the exact PCR */
 
     /* data needed to handle file based ts */
     /** stop parsing loop */
-- 
2.17.1

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