use dynamic array for the page breaks positions (patch 1483976)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39396 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -22,6 +22,8 @@ INCOMPATIBLE CHANGES SINCE 2.6.x
   wxHtmlCell::GetMouseCursor(); old code overriding GetCursor() will
   continue to work with WXWIN_COMPATIBILITY_2_6, but should be rewritten to
   use GetMouseCursor().
+- wxHtmlCell::AdjustPagebreak() signature has changed, update your code if you
+  override it
 - wxFontEnumerator::GetFacenames() and GetEncodings() now return arrays and
   not pointers to arrays
 - wxStaticBoxSizer now deletes the associated wxStaticBox when it is deleted