pgsql: Use FLEXIBLE_ARRAY_MEMBER in a number of other places.

Use FLEXIBLE_ARRAY_MEMBER in a number of other places.

I think we're about done with this...

Branch
------
master

Details
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http://git.postgresql.org/pg/commitdiff/2e211211a76782b6084194a5ced94c0795460047

Modified Files
--------------
contrib/hstore/hstore_gist.c          |    2 +-
contrib/spi/timetravel.c              |   25 ++++++++++++++++---------
src/backend/access/heap/syncscan.c    |    5 +++--
src/backend/commands/async.c          |   22 +++++++++++-----------
src/backend/libpq/auth.c              |    3 +--
src/backend/storage/buffer/freelist.c |    2 +-
src/backend/storage/ipc/sinvaladt.c   |   13 +++----------
src/backend/utils/adt/numeric.c       |   10 +++++-----
src/backend/utils/adt/tsgistidx.c     |    2 +-
src/backend/utils/adt/tsvector_op.c   |    2 +-
src/backend/utils/adt/txid.c          |    3 ++-
src/backend/utils/fmgr/dfmgr.c        |   11 +++--------
src/backend/utils/sort/logtape.c      |   14 +++++---------
src/interfaces/ecpg/ecpglib/extern.h  |    2 +-
14 files changed, 54 insertions(+), 62 deletions(-)