fixed an overwritten parameter in protect_identifiers
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index dbd54be..966fd3a 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -652,7 +652,7 @@
 	 */

 	function protect_identifiers($item, $first_word_only = FALSE)

 	{

-		return $this->_protect_identifiers($item, $first_word_only = FALSE);

+		return $this->_protect_identifiers($item, $first_word_only);

 	}

 

 	// --------------------------------------------------------------------

@@ -1136,7 +1136,7 @@
 		$LANG = new CI_Language();

 		$LANG->load('db');

 

-		$heading = 'MySQL Error';

+		$heading = 'Database Error';

 		

 		if ($native == TRUE)

 		{