pgsql: Applied patch by ITAGAKI Takahiro

Log Message:
-----------
Applied patch by ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> to get prepare thread-safe.

Modified Files:
--------------
pgsql/src/interfaces/ecpg:
ChangeLog (r1.355 -> r1.356)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ChangeLog?r1=1.355&r2=1.356)
pgsql/src/interfaces/ecpg/ecpglib:
connect.c (r1.42 -> r1.43)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/connect.c?r1=1.42&r2=1.43)
execute.c (r1.69 -> r1.70)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/execute.c?r1=1.69&r2=1.70)
extern.h (r1.26 -> r1.27)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/extern.h?r1=1.26&r2=1.27)
prepare.c (r1.19 -> r1.20)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/prepare.c?r1=1.19&r2=1.20)
pgsql/src/interfaces/ecpg/include:
ecpglib.h (r1.71 -> r1.72)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/include/ecpglib.h?r1=1.71&r2=1.72)
pgsql/src/interfaces/ecpg/preproc:
output.c (r1.21 -> r1.22)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/output.c?r1=1.21&r2=1.22)
preproc.y (r1.351 -> r1.352)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/preproc.y?r1=1.351&r2=1.352)
pgsql/src/interfaces/ecpg/test:
ecpg_schedule (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/ecpg_schedule?r1=1.2&r2=1.3)
ecpg_schedule_tcp (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/ecpg_schedule_tcp?r1=1.2&r2=1.3)
pgsql/src/interfaces/ecpg/test/expected:
sql-desc.c (r1.16 -> r1.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-desc.c?r1=1.16&r2=1.17)
sql-dyntest.c (r1.17 -> r1.18)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-dyntest.c?r1=1.17&r2=1.18)
sql-execute.c (r1.9 -> r1.10)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-execute.c?r1=1.9&r2=1.10)
sql-oldexec.c (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/sql-oldexec.c?r1=1.2&r2=1.3)
pgsql/src/interfaces/ecpg/test/thread:
Makefile (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/thread/Makefile?r1=1.2&r2=1.3)

Added Files:
-----------
pgsql/src/interfaces/ecpg/test/expected:
thread-prep.c (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-prep.c?rev=1.1&content-type=text/x-cvsweb-markup)
thread-prep.stderr (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-prep.stderr?rev=1.1&content-type=text/x-cvsweb-markup)
thread-prep.stdout (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-prep.stdout?rev=1.1&content-type=text/x-cvsweb-markup)
thread-prep_2.stdout (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/expected/thread-prep_2.stdout?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/src/interfaces/ecpg/test/thread:
prep.pgc (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/thread/prep.pgc?rev=1.1&content-type=text/x-cvsweb-markup)