vcl: make PhysicalFontFamily::FindDefaultFont() private

Change-Id: I603a1556051ea15b45e80ed7d6fcf9dbb7b13998
Reviewed-on: https://gerrit.libreoffice.org/20866Reviewed-by: Chris Sherlock <chris.sherlock79@gmail.com>
Tested-by: Chris Sherlock <chris.sherlock79@gmail.com>

vcl/inc/PhysicalFontCollection.hxx

@@ -65,9 +65,6 @@ public:
     PhysicalFontFamily*     FindByTokenNames(const OUString& rTokenStr) const;
     PhysicalFontFamily*     FindByAttributes(ImplFontAttrs nSearchType, FontWeight, FontWidth,
                                              FontItalic, const OUString& rSearchFamily) const;
-protected:
-    PhysicalFontFamily*     FindDefaultFont() const;
-
 private:
     friend class WinGlyphFallbackSubstititution;
     mutable bool            mbMatchData;    // true if matching attributes are initialized
@@ -88,6 +85,8 @@ private:
                                                 const OUString& rShortName) const;
     PhysicalFontFamily*     ImplFindBySubstFontAttr( const utl::FontNameAttr& ) const;
 
+    PhysicalFontFamily*     FindDefaultFont() const;
+
     void                    InitMatchData() const;
 };