Reverse directories order when doing 'make delete-old-dir'.  This ensures subdirectories gets removed before their parents when doing make delete-old.
Reverse directories order when doing 'make delete-old-dir'.  This
ensures subdirectories gets removed before their parents when doing
make delete-old.

Approved by:	re (gjb)
MFC after:	2 weeks

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase