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mqttd: remove unused variable
Closes https://github.com/curl/curl/pull/6576
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@ -213,12 +213,10 @@ static void logprotocol(mqttdir dir,
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ssize_t i;
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unsigned char *ptr = buffer;
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char *optr = data;
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ssize_t width = 0;
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int left = sizeof(data);
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for(i = 0; i<len && (left >= 0); i++) {
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msnprintf(optr, left, "%02x", ptr[i]);
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width += 2;
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optr += 2;
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left -= 2;
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}
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