Improved thread-safety of Typeface::Ptr

modules/juce_graphics/fonts/juce_Font.cpp

@@ -152,7 +152,7 @@ void Typeface::setTypefaceCacheSize (int numFontsToCache)
 }
 
 //==============================================================================
-class Font::SharedFontInternal  : public SingleThreadedReferenceCountedObject
+class Font::SharedFontInternal  : public ReferenceCountedObject
 {
 public:
     SharedFontInternal() noexcept

modules/juce_graphics/fonts/juce_Typeface.h

@@ -47,7 +47,7 @@ class AffineTransform;
 
     @see CustomTypeface, Font
 */
-class JUCE_API  Typeface  : public SingleThreadedReferenceCountedObject
+class JUCE_API  Typeface  : public ReferenceCountedObject
 {
 public:
     //==============================================================================