fix: Compilation on RedHat 7

Guard CURLOPT_UPLOAD_BUFFERSIZE with preprocessor checks

src/src/lib/http/http_request.cc

@@ -559,12 +559,14 @@ namespace seismicdrive
 
             // ---------------------------------------------------------------------------
 
+#if LIBCURL_VERSION_NUM >= 0x073e00
             ccode = _libcurl->curl_easy_setopt(_curl, CURLOPT_UPLOAD_BUFFERSIZE, 2 * 1024 * 1024);
             if (ccode != CURLE_OK)
             {
                 make_error(http, ccode, "HTTPRequest::init, setting the verbose output");
                 return;
             }
+#endif
 
             // set the verbose output
             ccode = _libcurl->curl_easy_setopt(_curl, CURLOPT_VERBOSE, _verbose_output);