ape: Use the proper variable type

Avoid an unsigned underflow.

Bug-Id: 1041122
CC: libav-stable@libav.org

diff --git a/libavformat/apetag.c b/libavformat/apetag.c
index bd8d0ed48554af64ffe899a71b9375f70c07e2f6..4d653016970ecb9bb1df2c476d9adc14d2c01ab7 100644 (file)
--- a/libavformat/apetag.c
+++ b/libavformat/apetag.c
@@ -40,7 +40,7 @@ static int ape_tag_read_field(AVFormatContext *s)
 {
     AVIOContext *pb = s->pb;
     uint8_t key[1024], *value;
-    uint32_t size, flags;
+    int64_t size, flags;
     int i, c;
 
     size = avio_rl32(pb);  /* field size */