examples: fix type of getopt_long return value
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@ -964,8 +964,7 @@ static void show_help(struct data *data, const char *name, bool error)
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int main(int argc, char *argv[])
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{
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struct data data = { 0 };
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int res = 0;
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char c;
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int res = 0, c;
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/* default values*/
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data.volume_ramp_samples = DEFAULT_RAMP_SAMPLES;
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