Fixed a few missing lines of code that were not merged when the
core VFD paging changes were brought over.

Tested on:
    32-bit LE linux (jam)
    64-bit LE linux (koala)
    64-bit BE linux (ostrich)

All were tested with HDF5_DRIVER set to "core_paged".



git-svn-id: https://svn.hdfgroup.uiuc.edu/hdf5/trunk@25045 dab4d1a6-ed17-0410-a064-d1ae371a2980