pgsql: On Win32, libintl replaces snprintf() with its own version that

Log Message:
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On Win32, libintl replaces snprintf() with its own version that
understands arg control, so we don't need our own. In fact, it
also uses macros that conflict with ours, so we _can't_ use
our own.

Modified Files:
--------------
pgsql:
configure (r1.435 -> r1.436)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.435&r2=1.436)
configure.in (r1.408 -> r1.409)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.408&r2=1.409)