editeng: need to prevent MSVC from generating SvxRTFParser copy too

Change-Id: Ia6bea0834ebca3ed51c19c0165a3be1373c46d26

include/editeng/svxrtf.hxx

@@ -204,6 +204,9 @@ class EDITENG_DLLPUBLIC SvxRTFParser : public SvRTFParser
                                         // sal_False - in RightToLeft char run def.
     bool    bIsInReadStyleTab : 1;  // sal_True - in ReadStyleTable
 
+    SvxRTFParser(SvxRTFParser const&) = delete;
+    void operator=(SvxRTFParser const&) = delete;
+
     void ClearColorTbl();
     void ClearFontTbl();
     void ClearStyleTbl();