Thread: pgsql: Add GUC variables for stat tracking and timeout as PGDLLIMPORT

Add GUC variables for stat tracking and timeout as PGDLLIMPORT

This helps integration of extensions with Windows.  The following
parameters are changed:
- idle_in_transaction_session_timeout (9.6 and newer versions)
- lock_timeout
- statement_timeout
- track_activities
- track_counts
- track_functions

Author: Pascal Legrand
Reviewed-by: Amit Kamila, Julien Rouhaud, Michael Paquier
Discussion: https://postgr.es/m/1579298868581-0.post@n3.nabble.com
Backpatch-through: 9.4

Branch
------
REL_11_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/7c7026bb7aa57663766ee28e7b18c394d3b6d7fb

Modified Files
--------------
src/include/pgstat.h       | 6 +++---
src/include/storage/proc.h | 6 +++---
2 files changed, 6 insertions(+), 6 deletions(-)