pgsql: Sorry, accidently committed a patch I'm working on.

Log Message:
-----------
Sorry, accidently committed a patch I'm working on. Reverting it.
The only correct change was:
- Added SQLSTATE macro closing bug #3961.

Modified Files:
--------------
    pgsql/src/interfaces/ecpg/include:
        datetime.h (r1.13 -> r1.14)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/datetime.h?r1=1.13&r2=1.14)
        decimal.h (r1.15 -> r1.16)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/decimal.h?r1=1.15&r2=1.16)
        ecpg_informix.h (r1.19 -> r1.20)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/ecpg_informix.h?r1=1.19&r2=1.20)
    pgsql/src/interfaces/ecpg/preproc:
        pgc.l (r1.160 -> r1.161)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/pgc.l?r1=1.160&r2=1.161)