add missing header

[[Imported from SVN: r6617]]

add missing header
468c7d57 · Christian Engwer · 04adc485 · 468c7d57
Commit 468c7d57 authored 13 years ago by Christian Engwer
--- a/dune/common/test/iteratortest.hh
+++ b/dune/common/test/iteratortest.hh
@@ -7,6 +7,7 @@
 #include <iostream>
 #include <algorithm>
 #include <dune/common/typetraits.hh>
+#include <dune/common/unused.hh>

 /**
 * @brief Tests the capabilities of a forward iterator.