[ci skip] Fix allow_get_array defaulting to FALSE if it doesn't exist
diff --git a/system/core/Input.php b/system/core/Input.php
index af4f87c..bb287ea 100644
--- a/system/core/Input.php
+++ b/system/core/Input.php
@@ -137,7 +137,7 @@
 	 */
 	public function __construct()
 	{
-		$this->_allow_get_array		= (config_item('allow_get_array') === TRUE);
+		$this->_allow_get_array		= (config_item('allow_get_array') !== FALSE);
 		$this->_enable_xss		= (config_item('global_xss_filtering') === TRUE);
 		$this->_enable_csrf		= (config_item('csrf_protection') === TRUE);
 		$this->_standardize_newlines	= (bool) config_item('standardize_newlines');