fix various clang warnings

src/Mod/Path/Gui/TaskDlgPathCompound.cpp

@@ -53,7 +53,7 @@ using namespace Gui;
 //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
 TaskWidgetPathCompound::TaskWidgetPathCompound(ViewProviderPathCompound *CompoundView,QWidget *parent)
-    : TaskBox(Gui::BitmapFactory().pixmap("Path-Compound"),tr("Compound paths"),true, parent),CompoundView(CompoundView)
+    : TaskBox(Gui::BitmapFactory().pixmap("Path-Compound"),tr("Compound paths"),true, parent)
 {
     // we need a separate container widget to add all controls to
     proxy = new QWidget(this);

src/Mod/Path/Gui/TaskDlgPathCompound.h

@@ -52,7 +52,6 @@ protected:
 private:
     QWidget* proxy;
     Ui_TaskDlgPathCompound* ui;
-    ViewProviderPathCompound *CompoundView;
 };
 
 /// Task Dialog