pgsql: Add extra checks for buildfarm to pick up errors when running on

Log Message:
-----------
Add extra checks for buildfarm to pick up errors when running
on XP or earlier versions of Windows.

Andrew Dunstan

Modified Files:
--------------
    pgsql/src/tools/msvc:
        build.bat (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/build.bat.diff?r1=1.8&r2=1.9)
        install.bat (r1.1 -> r1.2)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/install.bat.diff?r1=1.1&r2=1.2)
        vcregress.bat (r1.12 -> r1.13)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/tools/msvc/vcregress.bat.diff?r1=1.12&r2=1.13)