Fix issue in array transpose when providing explicit ordering
Fix issue in array transpose when providing explicit ordering

This affected the harp_product_flatten_dimension() and
potentially also the O3 CCI L3/L4 ingestions.

This fixes issue #96.

stcorp/harp,stcorp/harp,stcorp/harp,stcorp/harp,stcorp/harp,stcorp/harp