coverity#1212488 Copy-paste error

Change-Id: Ibdead0bf8de6ea77fe6cb0cdc4851e0eb98644a6
Reviewed-on: https://gerrit.libreoffice.org/9302Tested-by: David Tardon <dtardon@redhat.com>
Reviewed-by: David Tardon <dtardon@redhat.com>

svx/source/unodraw/UnoGraphicExporter.cxx

@@ -932,7 +932,7 @@ bool GraphicExporter::GetGraphic( ExportSettings& rSettings, Graphic& aGraphic,
             aOut.EnableOutput( false );
             aOut.SetMapMode( aMap );
             if( rSettings.mbUseHighContrast )
-                aOut.SetDrawMode( aVDev.GetDrawMode() | DRAWMODE_SETTINGSLINE | DRAWMODE_SETTINGSFILL | DRAWMODE_SETTINGSTEXT | DRAWMODE_SETTINGSGRADIENT );
+                aOut.SetDrawMode( aOut.GetDrawMode() | DRAWMODE_SETTINGSLINE | DRAWMODE_SETTINGSFILL | DRAWMODE_SETTINGSTEXT | DRAWMODE_SETTINGSGRADIENT );
 
             GDIMetaFile aMtf;
             aMtf.Clear();