pgsql: Fix descriptor output in ECPG.

Fix descriptor output in ECPG.

While working on most platforms the old way sometimes created alignment
problems. This should fix it. Also the regresion tests were updated to test for
the reported case.

Report and fix by MauMau <maumau307@gmail.com>

Branch
------
REL9_2_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/799728b0baa5b9f7c8dd6991808d1ed049e83b76

Modified Files
--------------
src/interfaces/ecpg/preproc/type.c                       |    2 +-
.../ecpg/test/expected/compat_informix-describe.c        |    8 ++++----
src/interfaces/ecpg/test/expected/sql-desc.c             |   14 +++++++-------
src/interfaces/ecpg/test/expected/sql-describe.c         |    8 ++++----
src/interfaces/ecpg/test/expected/sql-dynalloc.c         |    2 +-
src/interfaces/ecpg/test/expected/sql-dynalloc2.c        |    2 +-
src/interfaces/ecpg/test/expected/sql-dyntest.c          |    2 +-
7 files changed, 19 insertions(+), 19 deletions(-)