Revert "Fix previous commit"

This reverts commit 53d109dbd831506c4b9ca77f10bc1b2dba9c28d5.
diff --git a/system/database/drivers/interbase/interbase_result.php b/system/database/drivers/interbase/interbase_result.php
index de4a10b..c7b40d2 100644
--- a/system/database/drivers/interbase/interbase_result.php
+++ b/system/database/drivers/interbase/interbase_result.php
@@ -236,11 +236,7 @@
 		// the result object to an array  if need be
 		if(count($this->result_object) > 0)
 		{
-			foreach($this->result_object as $obj)
-			{
-				$this->result_array[] = (array)$obj;
-			}
-		
+			$this->result_array = (array)$this->result_object;
 			return $this->result_array;
 		}