Обсуждение: pgsql: Add vcregress.pl target for checking pg_upgrade.

Add vcregress.pl target for checking pg_upgrade.

This follows recent addition of Windows/Mingw testing.
Backpatch to Release 9.2 so we can get some buildfarm testing
going.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/a1d021e5d2f58170c7900c8766c4633e5f2328ee

Modified Files
--------------
src/tools/msvc/Install.pm   |   13 +++++--
src/tools/msvc/vcregress.pl |   82 ++++++++++++++++++++++++++++++++++++++++---
2 files changed, 87 insertions(+), 8 deletions(-)