fixed pagebreaks computation in tables (#9935, patch by D.J.Stauffer)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@55505 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/html/m_layout.cpp

@@ -108,7 +108,12 @@ bool wxHtmlPageBreakCell::AdjustPagebreak(int* pagebreak, wxArrayInt& known_page
     // m_PosY is only the vertical offset from the parent. The pagebreak
     // required here is the total page offset, so m_PosY must be added
     // to the parent's offset and height.
-    int total_height = m_PosY + GetParent()->GetPosY() + GetParent()->GetHeight();
+    int total_height = m_PosY;
+    for ( wxHtmlCell *parent = GetParent(); parent; parent = parent->GetParent() )
+    {
+        total_height += parent->GetPosY();
+    }
+
 
     // Search the array of pagebreaks to see whether we've already set
     // a pagebreak here. The standard bsearch() function is appropriate