Revert "DibiResult: removed destructor"

This reverts commit 6d353c0b5d.

dibi/libs/DibiResult.php

@@ -79,6 +79,17 @@ class DibiResult extends DibiObject implements IDataSource
 
 
 
+	/**
+	 * Automatically frees the resources allocated for this result set.
+	 * @return void
+	 */
+	public function __destruct()
+	{
+		@$this->free(); // intentionally @
+	}
+
+
+
 	/**
 	 * Returns the result set resource.
 	 * @return mixed