Use EXTENSIONS instead of SKIPIF section

Author: nikic

ext/ftp/tests/bug79100.phpt

@@ -1,9 +1,8 @@
 --TEST--
 Bug #79100 (Wrong FTP error messages)
---SKIPIF--
-<?php
-require 'skipif.inc';
-?>
+--EXTENSIONS--
+ftp
+pcntl
 --FILE--
 <?php
 $bug79100 = true;
@@ -19,4 +18,4 @@ ftp_systype($ftp);
 bool(true)
 bool(true)
 
-Warning: ftp_systype(): %rConnection|Operation%r timed out in %s on line %d
+Warning: ftp_systype(): %rConnection|Operation%r timed out in %s on line %d