This prevented calls to AdjustScrollbars() of another window from doing anything if they were called due to a size change from AdjustScrollbars() of an outer window. Closes #16852. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78483 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775