Replaced hard-coded font size in ribbon art provider with a system defined font size (see #11341).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62573 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/ribbon/art_msw.cpp

@@ -86,7 +86,7 @@ static const char* const gallery_extension_xpm[] = {
 wxRibbonMSWArtProvider::wxRibbonMSWArtProvider(bool set_colour_scheme)
 {
     m_flags = 0;
-    m_tab_label_font = wxFont(8, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE);
+    m_tab_label_font = *wxNORMAL_FONT;
     m_button_bar_label_font = m_tab_label_font;
     m_panel_label_font = m_tab_label_font;