Corrected makefile for earlier removal of directory

The open-source-licenses directory was removed in gerrit change 413.
The make target "package" use of that directory should have been removed
at that time.  That has now been done, and "make package" works again.

Change-Id: I67c1b47ea264ef114a00fb883ff8b546a17df713
Merge "Corrected makefile for earlier removal of directory"