sw_redlinehide_3: fix SwAccessibleParagraph not being disposed

If it is merged, it doesn't have GetDep().

Change-Id: I5a362c03fe7fcb0a6246aef0a0ac2824c48ede36

sw/source/core/layout/ssfrm.cxx

@@ -325,8 +325,10 @@ void SwFrame::DestroyImpl()
 
     // accessible objects for fly and cell frames have been already disposed
     // by the destructors of the derived classes.
-    if( IsAccessibleFrame() && !(IsFlyFrame() || IsCellFrame()) && GetDep() )
+    if (IsAccessibleFrame() && !(IsFlyFrame() || IsCellFrame())
+        && (GetDep() || IsTextFrame())) // sw_redlinehide: text frame may not have Dep!
     {
+        assert(!IsTextFrame() || GetDep() || static_cast<SwTextFrame*>(this)->GetMergedPara());
         SwRootFrame *pRootFrame = getRootFrame();
         if( pRootFrame && pRootFrame->IsAnyShellAccessible() )
         {