Fix maxFlag to flagMax and maxOption to optionMax typos in HelpScreen class

Author: kodie

lib/cli/arguments/HelpScreen.php

@@ -19,9 +19,9 @@
  */
 class HelpScreen {
 	protected $_flags = array();
-	protected $_maxFlag = 0;
+	protected $_flagMax = 0;
 	protected $_options = array();
-	protected $_maxOption = 0;
+	protected $_optionMax = 0;
 
 	public function __construct(Arguments $arguments) {
 		$this->setArguments($arguments);