avformat/mux: use <0 instead of != 0 for error check of init_muxer()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@@ -399,7 +399,7 @@ int avformat_write_header(AVFormatContext *s, AVDictionary **options)
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{
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{
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int ret = 0;
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int ret = 0;
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if (ret = init_muxer(s, options))
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if ((ret = init_muxer(s, options)) < 0)
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return ret;
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return ret;
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if (s->oformat->write_header) {
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if (s->oformat->write_header) {
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