Replaced a method with a variable
diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php
index c9876fe..e8e3706 100644
--- a/system/database/drivers/sqlite3/sqlite3_result.php
+++ b/system/database/drivers/sqlite3/sqlite3_result.php
@@ -83,7 +83,7 @@
 	public function list_fields()
 	{
 		$field_names = array();
-		for ($i = 0, $c = $this->num_fields(); $i < $this->num_fields(); $i++)
+		for ($i = 0, $c = $this->num_fields(); $i < $c; $i++)
 		{
 			$field_names[] = $this->result_id->columnName($i);
 		}