Ensure Tests_Transport_*::setUp() is public

Should fix the tests broken on merge.

tests/Transport/fsockopen.php

@@ -4,7 +4,7 @@ class RequestsTest_Transport_fsockopen extends RequestsTest_Transport_Base {
 	protected $transport = 'Requests_Transport_fsockopen';
 
 	protected $skip_https = false;
-	protected function setUp() {
+	public function setUp() {
 		// If OpenSSL isn't loaded, this should fail
 		if (!defined('OPENSSL_VERSION_NUMBER')) {
 			$this->skip_https = true;