pgsql: Several fixes to array handling in ecpg.

Several fixes to array handling in ecpg.

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

Conflicts:
    src/interfaces/ecpg/test/expected/preproc-outofscope.c

Branch
------
REL9_0_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/0c2eb989ea93f3e0ccbbbf39853bcd3e23879603

Modified Files
--------------
src/interfaces/ecpg/preproc/type.c                 |   17 +++++++--
.../ecpg/test/expected/preproc-array_of_struct.c   |    8 ++--
.../ecpg/test/expected/preproc-outofscope.c        |   40 ++++++++++----------
src/interfaces/ecpg/test/expected/preproc-type.c   |    6 +--
.../ecpg/test/expected/preproc-variable.c          |   12 +++---
5 files changed, 46 insertions(+), 37 deletions(-)