j2kdec: make curtilenum integer.

This fixes a potential crash.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/j2kdec.c b/libavcodec/j2kdec.c
index c712eb30e0..4194659983 100644
--- a/libavcodec/j2kdec.c
+++ b/libavcodec/j2kdec.c
@@ -69,7 +69,7 @@ typedef struct {
 
     int bit_index;
 
-    int16_t curtileno;
+    int curtileno;
 
     J2kTile *tile;
 } J2kDecoderContext;