unactive the automatic ShowGuideLines

src/root/gui/cubix/src/Cubix.cpp

@@ -36,6 +36,7 @@ int main(int argc, char **argv)
     }
     gEnv->SetValue("Gui.IconPath",Form("%s/icons:%s/icons",getenv("ROOTSYS"),getenv("GWSYS")));
     gEnv->SetValue("X11.UseXft","yes");
+    gEnv->SetValue("Canvas.ShowGuideLines","false");
 
     TInterruptHandler *fxInterruptHandler = new TInterruptHandler();
     fxInterruptHandler->Add();