pgsql-server: - Only use typedefs inside their scope.

Log Message:
-----------
- Only use typedefs inside their scope.
- Variables that are out of scope, were not removed all the time.
- Make a varchar NULL set everything to 0 when not using indicators.
- Synced parser.

Modified Files:
--------------
pgsql-server/src/interfaces/ecpg:
ChangeLog (r1.268 -> r1.269)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/ChangeLog.diff?r1=1.268&r2=1.269)
pgsql-server/src/interfaces/ecpg/compatlib:
informix.c (r1.35 -> r1.36)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/compatlib/informix.c.diff?r1=1.35&r2=1.36)
pgsql-server/src/interfaces/ecpg/ecpglib:
data.c (r1.23 -> r1.24)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/ecpglib/data.c.diff?r1=1.23&r2=1.24)
execute.c (r1.33 -> r1.34)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/ecpglib/execute.c.diff?r1=1.33&r2=1.34)
misc.c (r1.20 -> r1.21)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/ecpglib/misc.c.diff?r1=1.20&r2=1.21)
pgsql-server/src/interfaces/ecpg/include:
ecpglib.h (r1.59 -> r1.60)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/include/ecpglib.h.diff?r1=1.59&r2=1.60)
pgsql-server/src/interfaces/ecpg/preproc:
extern.h (r1.59 -> r1.60)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/preproc/extern.h.diff?r1=1.59&r2=1.60)
preproc.y (r1.288 -> r1.289)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/preproc/preproc.y.diff?r1=1.288&r2=1.289)
type.h (r1.41 -> r1.42)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/preproc/type.h.diff?r1=1.41&r2=1.42)
variable.c (r1.33 -> r1.34)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/interfaces/ecpg/preproc/variable.c.diff?r1=1.33&r2=1.34)