Clang fix

dcwhite · dcwhite · commit 930521cd82ae · 2017-06-20T15:00:38.000-06:00
diff --git a/src/Interface/Application/Subnetworks.h b/src/Interface/Application/Subnetworks.h
@@ -36,6 +36,8 @@
 #endif
 #include <QDockWidget>
 
+class QGraphicsItem;
+
 namespace SCIRun
 {
   namespace Gui
