pgsql: MSVC/BCC Win32 compiler fixes.

Log Message:
-----------
MSVC/BCC Win32 compiler fixes.

Hiroshi Saito

Modified Files:
--------------
    pgsql/src/bin/pg_config:
        win32.mak (r1.6 -> r1.7)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_config/win32.mak.diff?r1=1.6&r2=1.7)
    pgsql/src/bin/pg_dump:
        win32.mak (r1.3 -> r1.4)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/win32.mak.diff?r1=1.3&r2=1.4)
    pgsql/src/bin/psql:
        win32.mak (r1.32 -> r1.33)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/win32.mak.diff?r1=1.32&r2=1.33)
    pgsql/src/interfaces/libpq:
        win32.mak (r1.40 -> r1.41)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/win32.mak.diff?r1=1.40&r2=1.41)