Caret dropout fix

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67939 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/richtext/richtextctrl.cpp

@@ -456,6 +456,11 @@ void wxRichTextCtrl::OnPaint(wxPaintEvent& WXUNUSED(event))
     if (GetCaret())
         GetCaret()->Show();
     PositionCaret();
+#else
+#if !defined(__WXMAC__)
+    // Causes caret dropouts on Mac
+    PositionCaret();
+#endif
 #endif
 }