jpeg2000dec & j2kdec: Fix return type of get_sot()

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

libavcodec/j2kdec.c

@@ -435,7 +435,7 @@ static int get_qcc(Jpeg2000DecoderContext *s, int n, Jpeg2000QuantStyle *q, uint
 }
 
 /** get start of tile segment */
-static uint8_t get_sot(Jpeg2000DecoderContext *s)
+static int get_sot(Jpeg2000DecoderContext *s)
 {
     if (bytestream2_get_bytes_left(&s->g) < 8)
         return AVERROR(EINVAL);

libavcodec/jpeg2000dec.c

@@ -406,7 +406,7 @@ static int get_qcc(Jpeg2000DecoderContext *s, int n, Jpeg2000QuantStyle *q,
 }
 
 /* Get start of tile segment. */
-static uint8_t get_sot(Jpeg2000DecoderContext *s, int n)
+static int get_sot(Jpeg2000DecoderContext *s, int n)
 {
     Jpeg2000TilePart *tp;
     uint16_t Isot;