avcodec/pngdec: remove AVFrame argument from decode_iccp_chunk()

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 7117b380a7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/pngdec.c

@@ -883,7 +883,7 @@ static int decode_trns_chunk(AVCodecContext *avctx, PNGDecContext *s,
     return 0;
 }
 
-static int decode_iccp_chunk(PNGDecContext *s, GetByteContext *gb, AVFrame *f)
+static int decode_iccp_chunk(PNGDecContext *s, GetByteContext *gb)
 {
     int ret, cnt = 0;
     AVBPrint bp;
@@ -1338,7 +1338,7 @@ static int decode_frame_common(AVCodecContext *avctx, PNGDecContext *s,
             s->have_srgb = 1;
             break;
         case MKTAG('i', 'C', 'C', 'P'): {
-            if ((ret = decode_iccp_chunk(s, &gb_chunk, p)) < 0)
+            if ((ret = decode_iccp_chunk(s, &gb_chunk)) < 0)
                 goto fail;
             break;
         }