fix rendercontext rendering of toolbox

(cherry-picked from 751d697d)

Change-Id: I927a7ffdac278384ef102e6619f217daf24879a2
Reviewed-on: https://gerrit.libreoffice.org/16042Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/source/window/toolbox.cxx

@@ -3095,7 +3095,7 @@ void ToolBox::ImplDrawItem(vcl::RenderContext& rRenderContext, sal_uInt16 nPos,
             mpData->m_pLayoutData->m_aLineItemIds.push_back( pItem->mnId );
             mpData->m_pLayoutData->m_aLineItemPositions.push_back( nPos );
         }
-        DrawCtrlText( aPos, pItem->maText, 0, pItem->maText.getLength(), DrawTextFlags::Mnemonic, pVector, pDisplayText );
+        rRenderContext.DrawCtrlText( aPos, pItem->maText, 0, pItem->maText.getLength(), DrawTextFlags::Mnemonic, pVector, pDisplayText );
         if (bClip)
             rRenderContext.SetClipRegion();
         rRenderContext.SetFont(aOldFont);
@@ -3258,7 +3258,7 @@ void ToolBox::ImplDrawItem(vcl::RenderContext& rRenderContext, sal_uInt16 nPos,
             mpData->m_pLayoutData->m_aLineItemIds.push_back( pItem->mnId );
             mpData->m_pLayoutData->m_aLineItemPositions.push_back( nPos );
         }
-        DrawCtrlText( Point( nTextOffX, nTextOffY ), pItem->maText,
+        rRenderContext.DrawCtrlText( Point( nTextOffX, nTextOffY ), pItem->maText,
                       0, pItem->maText.getLength(), nTextStyle, pVector, pDisplayText );
         if ( bRotate )
             SetFont( aOldFont );