chemeris/openbts-p2.8 — comment on commit 1d7c19ca0d47723c2fe5ba61c86b122d7eef0ea3
File: GPRS/gprs_bssgp_pcu.cpp line 3
By chemeris:

Never remove dates from copyright headers, only add.
I.e. "Copyright (C) 2011 Ivan Klyuchnikov" should become "Copyright (C) 2011-2012 Ivan Klyuchnikov"