No need to double output prompt if no arg for cd

Author: mattpass

lib/terminal-xhr.php

@@ -76,7 +76,6 @@ function returnHTMLPromptCommand($cmd) {
 // If command contains cd but no dir
 if (preg_match('/^[[:blank:]]*cd[[:blank:]]*$/', $_REQUEST['command'])) {
 	$_SESSION['cwd'] = $cwd;
-    $output .= returnHTMLPromptCommand("cd");
 // Else cd to a dir
 } elseif (preg_match('/^[[:blank:]]*cd[[:blank:]]+([^;]+)$/', $_REQUEST['command'], $regs)) {
 	// The current command is 'cd', which we have to handle as an internal shell command