pgsql: Several fixes to array handling in ecpg.

Several fixes to array handling in ecpg.

Patches by Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/f9179685371b74bf4752bf3f87846e5625cf91fa

Modified Files
--------------
src/interfaces/ecpg/preproc/type.c                 |   17 +-
src/interfaces/ecpg/test/ecpg_schedule             |    1 +
.../ecpg/test/expected/preproc-array_of_struct.c   |    8 +-
.../ecpg/test/expected/preproc-outofscope.c        |   40 +--
.../ecpg/test/expected/preproc-pointer_to_struct.c |  293 ++++++++++++++++++++
.../test/expected/preproc-pointer_to_struct.stderr |   86 ++++++
.../test/expected/preproc-pointer_to_struct.stdout |   25 ++
src/interfaces/ecpg/test/expected/preproc-type.c   |    6 +-
.../ecpg/test/expected/preproc-variable.c          |   12 +-
src/interfaces/ecpg/test/preproc/Makefile          |    6 +-
.../ecpg/test/preproc/pointer_to_struct.pgc        |  100 +++++++
11 files changed, 556 insertions(+), 38 deletions(-)