serial: Fix a compiler warning about unused code
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@ -230,12 +230,9 @@ int
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send_number(u_int32_t number, int digits)
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{
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char buf[CHAR_BUF_MAX];
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ssize_t len;
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int index = 0;
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sprintf(buf, "%08X", number);
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len = strlen(buf);
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index = 8 - digits;
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return send_message(&buf[index]);
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