Description:
    Minor tweaks to updated hyperslab code, before larger revision coming.

Tested on:
    Mac OSX/64 10.9.3 (amazon) w/gcc 4.9 & parallel
    (h5committest forthcoming)


git-svn-id: https://svn.hdfgroup.uiuc.edu/hdf5/trunk@25439 dab4d1a6-ed17-0410-a064-d1ae371a2980