[elpa] externals/pq updated (04c91e8374 -> cb47fcf769)

[ELPA Syncer]

elpasync pushed a change to branch externals/pq.

      from  04c91e8374 add pq.el and move pq.c -> pq-core.c
       new  ab9de6e045 pq.el: improvements for packaging
       new  cb47fcf769 pq-core.c, pq.el: update copyright headers


Summary of changes:
 pq-core.c | 17 +++++++++++++++++
 pq.el     |  7 ++++---
 2 files changed, 21 insertions(+), 3 deletions(-)