From e96ecaf053d8d606e38ae2e56ba6cf58875021b0 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Wed, 7 Oct 2015 02:49:34 +0200
Subject: [PATCH] avcodec/pngenc: Initialize fctl_chunk to 0

The structure is copied around and that triggers warnings if it is uninitialized
Fixes CID1322360

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/pngenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c
index f6ad830cd9..0bae2acfb9 100644
--- a/libavcodec/pngenc.c
+++ b/libavcodec/pngenc.c
@@ -817,7 +817,7 @@ static int encode_apng(AVCodecContext *avctx, AVPacket *pkt,
     int ret;
     int enc_row_size;
     size_t max_packet_size;
-    APNGFctlChunk fctl_chunk;
+    APNGFctlChunk fctl_chunk = {0};
 
     if (pict && avctx->codec_id == AV_CODEC_ID_APNG && s->color_type == PNG_COLOR_TYPE_PALETTE) {
         uint32_t checksum = ~av_crc(av_crc_get_table(AV_CRC_32_IEEE_LE), ~0U, pict->data[1], 256 * sizeof(uint32_t));