$OpenBSD$
Unbreak compilation.
--- libavogadro/src/extensions/surfaces/openqube/gaussianset.cpp.orig	Mon Jun 30 23:32:00 2014
+++ libavogadro/src/extensions/surfaces/openqube/gaussianset.cpp	Tue Jul  1 00:37:26 2014
@@ -25,6 +25,7 @@
 #include "cube.h"
 
 #include <cmath>
+#include <iostream>
 
 #include <QtCore/QtConcurrentMap>
 #include <QtCore/QFuture>
