corrections for Linux

diff --git a/src/GraphicsView/GraphicsView_Viewer.cxx b/src/GraphicsView/GraphicsView_Viewer.cxx
index 4202a633211c8a5d0b7a74d3e51ce38389b88a3c..a8e1511b2c360aec3bb3d834f2eda335abd788f5 100644 (file)
--- a/src/GraphicsView/GraphicsView_Viewer.cxx
+++ b/src/GraphicsView/GraphicsView_Viewer.cxx
@@ -37,6 +37,8 @@
 #include <QKeyEvent>
 #include <QMenu>
 
+#include <math.h>
+
 // testing ImageViewer
 /*
 #include "GraphicsView_PrsImage.h"