diff -urN a/OpenMesh/Apps/QtViewer/QGLViewerWidget.hh b/OpenMesh/Apps/QtViewer/QGLViewerWidget.hh
--- a/OpenMesh/Apps/QtViewer/QGLViewerWidget.hh	2008-07-01 09:05:13.000000000 -0400
+++ b/OpenMesh/Apps/QtViewer/QGLViewerWidget.hh	2009-04-17 16:38:31.099766294 -0400
@@ -36,11 +36,11 @@
 //== INCLUDES =================================================================
 
 
-#include <OpenMesh/Core/Geometry/VectorT.hh>
-#include <QtOpenGL/qgl.h>
-#include <string>
+#include <cstring>
 #include <vector>
 #include <map>
+#include <OpenMesh/Core/Geometry/VectorT.hh>
+#include <QtOpenGL/qgl.h>
 
 
 //== FORWARD DECLARATIONS =====================================================