pgsql: Win32 regression test fixes: For win32 in general, this makes it

Log Message:
-----------
Win32 regression test fixes:

For win32 in general, this makes it possible to run the regression tests
as an admin user by using the same restricted token method that's used
by pg_ctl and initdb.

For vc++, it adds building of pg_regress.exe, adds a resultmap, and
fixes how it runs the install.

Magnus Hagander

Modified Files:
--------------
    pgsql/src/test/regress:
        pg_regress.c (r1.29 -> r1.30)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/pg_regress.c.diff?r1=1.29&r2=1.30)
        resultmap (r1.83 -> r1.84)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/resultmap.diff?r1=1.83&r2=1.84)
    pgsql/src/tools/msvc:
        Solution.pm (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/Solution.pm.diff?r1=1.8&r2=1.9)
        install.pl (r1.2 -> r1.3)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/install.pl.diff?r1=1.2&r2=1.3)
        mkvcbuild.pl (r1.13 -> r1.14)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/mkvcbuild.pl.diff?r1=1.13&r2=1.14)