Index: OpenSceneGraph/trunk/include/osgWidget/Util
===================================================================
--- OpenSceneGraph/trunk/include/osgWidget/Util (revision 9287)
+++ OpenSceneGraph/trunk/include/osgWidget/Util (revision 10764)
@@ -17,4 +17,5 @@
 #define OSGWIDGET_UTIL
 
+#include <ctype.h>
 #include <cctype>
 #include <algorithm>