Update curl_easy_getinfo to build with CURL > 7.55.0
Replace CURLINFO_CONTENT_LENGTH_DOWNLOAD with CURLINFO_CONTENT_LENGTH_DOWNLOAD_T.
On-behalf-of: Piotr Kubik piotr.kubik@iopsys.eu
Replace CURLINFO_CONTENT_LENGTH_DOWNLOAD with CURLINFO_CONTENT_LENGTH_DOWNLOAD_T.
On-behalf-of: Piotr Kubik piotr.kubik@iopsys.eu