WaE: 'rArgs' : unreferenced formal parameter

Change-Id: Ia41882a4d33e7b148044801902517b2b034d3ee4
Signed-off-by: Michael Meeks <michael.meeks@collabora.com>

vcl/win/source/gdi/winlayout.cxx

@@ -1995,7 +1995,7 @@ void GraphiteWinLayout::Simplify( bool is_base )
 }
 #endif // ENABLE_GRAPHITE
 
-SalLayout* WinSalGraphics::GetTextLayout( ImplLayoutArgs& rArgs, int nFallbackLevel )
+SalLayout* WinSalGraphics::GetTextLayout( ImplLayoutArgs& /*rArgs*/, int nFallbackLevel )
 {
     if (!mpWinFontEntry[nFallbackLevel]) return nullptr;