try to fix windows tb with pch

C:/lo/gerrit_core/solver/wntmsci13.pro/inc\vcl/lineinfo.hxx(39) : error C2872: 'LineStyle' : ambiguous symbol
    could be 'C:/lo/gerrit_core/solver/wntmsci13.pro/inc\vcl/vclenum.hxx(80) : LineStyle'
    or 'C:/lo/gerrit_core/solver/wntmsci13.pro/inc/offapi om/sun/star/drawing/LineStyle.hdl(13) : com::sun::star::drawing::LineStyle'
...
make[1]: *** [C:/lo/gerrit_core/workdir/wntmsci13.pro/PrecompiledHeader/nodebug/precompiled_sd.hxx.gch] Error 2

WTH do we have 'using namespace' in _new_ code, anyway?

Change-Id: If149653f0a7a4a0061f48e866b30ced120f8bc5e

svx/inc/svx/graphichelper.hxx

@@ -25,16 +25,13 @@
 
 #include <com/sun/star/drawing/XShape.hpp>
 
-using namespace css::uno;
-using namespace css::drawing;
-
 class SVX_DLLPUBLIC GraphicHelper
 {
 
 public:
     static void GetPreferedExtension( OUString& rExtension, const Graphic& rGraphic );
     static OUString ExportGraphic( const Graphic& rGraphic, const OUString& rGraphicName );
-    static void SaveShapeAsGraphic( const Reference< XShape >& xShape );
+    static void SaveShapeAsGraphic( const com::sun::star::uno::Reference< com::sun::star::drawing::XShape >& xShape );
 };
 
 

svx/source/core/graphichelper.cxx

@@ -56,6 +56,8 @@ using namespace css::ui::dialogs;
 
 using namespace sfx2;
 
+namespace drawing = com::sun::star::drawing;
+
 void GraphicHelper::GetPreferedExtension( OUString& rExtension, const Graphic& rGraphic )
 {
     OUString aExtension = "png";
@@ -196,7 +198,7 @@ OUString GraphicHelper::ExportGraphic( const Graphic& rGraphic, const OUString&
     return OUString();
 }
 
-void GraphicHelper::SaveShapeAsGraphic( const Reference< XShape >& xShape )
+void GraphicHelper::SaveShapeAsGraphic( const Reference< drawing::XShape >& xShape )
 {
     try
     {