Somehow, under same circumstances, MSVC creates object code for 2
inlined functions. Nobody here uses them, so simply define them away
so that there be no dupplicate symbols anymore.

The symbols extents and indices come from boost::multi_array.

(cherry picked from commit 5b734c8e)

Change-Id: I7283ecff340d95f16bb3a8d0aae97e166fa5f0e4