pgsql: - Fixed memory leak in ecpglib by adding some missing free()

Log Message:
-----------
- Fixed memory leak in ecpglib by adding some missing free() commands.
- Added patch by Gavin Scott <gavin@planetacetech.com> for Intel 64bit hardware.

Modified Files:
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pgsql/src/interfaces/ecpg:
ChangeLog (r1.289 -> r1.290)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ChangeLog.diff?r1=1.289&amp;r2=1.290)
pgsql/src/interfaces/ecpg/ecpglib:
execute.c (r1.39 -> r1.40)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/execute.c.diff?r1=1.39&amp;r2=1.40)
extern.h (r1.12 -> r1.13)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/extern.h.diff?r1=1.12&amp;r2=1.13)
pgsql/src/interfaces/ecpg/test:
Makefile (r1.48 -> r1.49)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/test/Makefile.diff?r1=1.48&amp;r2=1.49)