pgsql: Applied another patch by ITAGAKI Takahiro

Log Message:
-----------
Applied another patch by ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>
to get memory allocation thread-safe. He also did some cleaning up.

Modified Files:
--------------
pgsql/src/interfaces/ecpg:
ChangeLog (r1.356 -> r1.357)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ChangeLog?r1=1.356&r2=1.357)
pgsql/src/interfaces/ecpg/ecpglib:
connect.c (r1.43 -> r1.44)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/connect.c?r1=1.43&r2=1.44)
extern.h (r1.27 -> r1.28)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/extern.h?r1=1.27&r2=1.28)
memory.c (r1.8 -> r1.9)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/memory.c?r1=1.8&r2=1.9)
misc.c (r1.36 -> r1.37)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/misc.c?r1=1.36&r2=1.37)
prepare.c (r1.20 -> r1.21)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/prepare.c?r1=1.20&r2=1.21)
pgsql/src/interfaces/ecpg/include:
ecpg-pthread-win32.h (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/ecpg-pthread-win32.h?r1=1.1&r2=1.2)
pgsql/src/interfaces/ecpg/pgtypeslib:
dt_common.c (r1.42 -> r1.43)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/pgtypeslib/dt_common.c?r1=1.42&r2=1.43)
pgsql/src/interfaces/ecpg/test:
ecpg_schedule (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/ecpg_schedule?r1=1.3&r2=1.4)
ecpg_schedule_tcp (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/ecpg_schedule_tcp?r1=1.3&r2=1.4)
pgsql/src/interfaces/ecpg/test/expected:
preproc-autoprep.stderr (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/preproc-autoprep.stderr?r1=1.1&r2=1.2)
sql-execute.stderr (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-execute.stderr?r1=1.2&r2=1.3)
sql-oldexec.stderr (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-oldexec.stderr?r1=1.1&r2=1.2)
thread-prep.c (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-prep.c?r1=1.1&r2=1.2)
pgsql/src/interfaces/ecpg/test/thread:
Makefile (r1.3 -> r1.4)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/thread/Makefile?r1=1.3&r2=1.4)
prep.pgc (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/thread/prep.pgc?r1=1.1&r2=1.2)

Added Files:
-----------
pgsql/src/interfaces/ecpg/test/expected:
thread-alloc.c (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-alloc.c?rev=1.1&content-type=text/x-cvsweb-markup)
thread-alloc.stderr (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-alloc.stderr?rev=1.1&content-type=text/x-cvsweb-markup)
thread-alloc.stdout (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-alloc.stdout?rev=1.1&content-type=text/x-cvsweb-markup)
thread-alloc_2.stdout (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-alloc_2.stdout?rev=1.1&content-type=text/x-cvsweb-markup)