Fugbix typo.

For reference: https://github.com/bagder/curl/blob/e7bcfb368c3f9145e89e1fa85c94edcb381c3e72/packages/OS400/curl.inc.in#L233-L240

Author: whatthejeff

src/Google/IO/Curl.php

@@ -61,7 +61,7 @@ public function executeRequest(Google_Http_Request $request)
 
     curl_setopt($curl, CURLOPT_FOLLOWLOCATION, false);
     curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
-    // 1 is CURL_SSLVERSION_TLSv1_0, which is not always defined in PHP.
+    // 1 is CURL_SSLVERSION_TLSv1, which is not always defined in PHP.
     curl_setopt($curl, CURLOPT_SSLVERSION, 1);
     curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
     curl_setopt($curl, CURLOPT_HEADER, true);