pgsql: Add MSVC support for utility commands and pg_dump.

Log Message:
-----------
Add MSVC support for utility commands and pg_dump.

Hiroshi Saito

Modified Files:
--------------
    pgsql/doc/src/sgml:
        install-win32.sgml (r1.26 -> r1.27)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/install-win32.sgml.diff?r1=1.26&r2=1.27)
    pgsql/src:
        win32.mak (r1.10 -> r1.11)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/win32.mak.diff?r1=1.10&r2=1.11)
    pgsql/src/bin/pg_dump:
        pg_backup_archiver.c (r1.122 -> r1.123)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_archiver.c.diff?r1=1.122&r2=1.123)
        pg_backup_db.c (r1.68 -> r1.69)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_db.c.diff?r1=1.68&r2=1.69)
        pg_backup_null.c (r1.16 -> r1.17)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_null.c.diff?r1=1.16&r2=1.17)
        pg_backup_tar.c (r1.49 -> r1.50)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_tar.c.diff?r1=1.49&r2=1.50)
        pg_dump.c (r1.428 -> r1.429)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_dump.c.diff?r1=1.428&r2=1.429)
        pg_dumpall.c (r1.70 -> r1.71)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_dumpall.c.diff?r1=1.70&r2=1.71)
        pg_restore.c (r1.75 -> r1.76)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_restore.c.diff?r1=1.75&r2=1.76)
    pgsql/src/include:
        pg_config.h.win32 (r1.25 -> r1.26)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32.diff?r1=1.25&r2=1.26)

Added Files:
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    pgsql/src/bin/pg_dump:
        win32.mak (r1.1)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/win32.mak?rev=1.1&content-type=text/x-cvsweb-markup)