Try fixing #1713 (crash pessing ESC on login screen).

src/guiengine/scalable_font.hpp

@@ -97,6 +97,9 @@ public:
     {
         ScalableFont* out = new ScalableFont(*this);
         out->m_is_hollow_copy = true;
+        //FIXME: test only. Reset the reference counter of the copy to 1
+        while (out->getReferenceCount() > 1)
+            out->drop();
         return out;
     }
 

src/guiengine/widgets/dynamic_ribbon_widget.cpp

@@ -62,7 +62,7 @@ DynamicRibbonWidget::DynamicRibbonWidget(const bool combo, const bool multi_row)
 // -----------------------------------------------------------------------------
 DynamicRibbonWidget::~DynamicRibbonWidget()
 {
-    delete m_font;
+    m_font->drop();
     if (m_animated_contents)
     {
         GUIEngine::needsUpdate.remove(this);