Portability gcc 4.4

diff --git a/src/VTKViewer/VTKViewer_MarkerDef.h b/src/VTKViewer/VTKViewer_MarkerDef.h
index 73466bc11cee5b5195fb409996881c60200d66d2..1163f0ab370790e1b3c841ba75bb3445ab133d43 100644 (file)
--- a/src/VTKViewer/VTKViewer_MarkerDef.h
+++ b/src/VTKViewer/VTKViewer_MarkerDef.h
@@ -24,6 +24,7 @@
 
 #include <list>
 #include <map>
+#include <string>
 
 namespace VTK
 {