http_client: possible buffer overflow fixed when determining last header item to be written
closes IDF-694
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@ -188,6 +188,7 @@ int http_header_generate_string(http_header_handle_t header, int index, char *bu
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if (siz + 1 > *buffer_len - 2) {
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ret_idx = idx - 1;
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break;
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}
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}
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