Fix rest of the helpers
diff --git a/system/helpers/xml_helper.php b/system/helpers/xml_helper.php
index 67fd34b..958c633 100644
--- a/system/helpers/xml_helper.php
+++ b/system/helpers/xml_helper.php
@@ -37,15 +37,15 @@
// ------------------------------------------------------------------------
-/**
- * Convert Reserved XML characters to Entities
- *
- * @param string
- * @param bool
- * @return string
- */
if ( ! function_exists('xml_convert'))
{
+ /**
+ * Convert Reserved XML characters to Entities
+ *
+ * @param string
+ * @param bool
+ * @return string
+ */
function xml_convert($str, $protect_all = FALSE)
{
$temp = '__TEMP_AMPERSANDS__';