Clean compiling warnings on Linux (part2)

xfa/src/fwl/src/core/include/fwl_contentimp.h

Index: xfa/src/fwl/src/core/include/fwl_contentimp.h
diff --git a/xfa/src/fwl/src/core/include/fwl_contentimp.h b/xfa/src/fwl/src/core/include/fwl_contentimp.h
index dc7ff7b681e8e4682c86ced149294e9488f1783f..6c83ae1b223a34d9c6f9f750c913ecf6663f3356 100644
--- a/xfa/src/fwl/src/core/include/fwl_contentimp.h
+++ b/xfa/src/fwl/src/core/include/fwl_contentimp.h
@@ -18,10 +18,10 @@ class CFWL_ContentImp : public CFWL_WidgetImp {
   virtual FWL_ERR InsertWidget(IFWL_Widget* pChild, int32_t nIndex = -1);
   virtual FWL_ERR RemoveWidget(IFWL_Widget* pWidget);
   virtual FWL_ERR RemoveAllWidgets();
-  virtual FWL_ERR GetMinSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight);
-  virtual FWL_ERR SetMinSize(FX_FLOAT fWidth, FX_FLOAT fHeight);
-  virtual FWL_ERR GetMaxSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight);
-  virtual FWL_ERR SetMaxSize(FX_FLOAT fWidth, FX_FLOAT fHeight);
+  FWL_ERR GetMinSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight);
+  FWL_ERR SetMinSize(FX_FLOAT fWidth, FX_FLOAT fHeight);
+  FWL_ERR GetMaxSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight);
+  FWL_ERR SetMaxSize(FX_FLOAT fWidth, FX_FLOAT fHeight);
 
  protected:
   FX_FLOAT m_fWidthMin;