Possible fix for "No able to connect to SecondLife"

indra/llmessage/llhttpclient.cpp

@@ -441,6 +441,9 @@ static LLSD blocking_request(
 	LLProxy::getInstance()->applyProxySettings(curlp);
 	
 	// * Set curl handle options
+#ifndef CURLTHREADING_BRANCH
+	curl_easy_setopt(curlp, CURLOPT_SSLVERSION, (long)CURL_SSLVERSION_TLSv1);
+#endif
 	curl_easy_setopt(curlp, CURLOPT_NOSIGNAL, 1);	// don't use SIGALRM for timeouts
 	curl_easy_setopt(curlp, CURLOPT_TIMEOUT, timeout);	// seconds, see warning at top of function.
 	curl_easy_setopt(curlp, CURLOPT_WRITEFUNCTION, LLHTTPBuffer::curl_write);