pgsql-server: Fix contrib/cube and contrib/seg to compile on Windows.

Log Message:
-----------
Fix contrib/cube and contrib/seg to compile on Windows.
Andreas Pflug

Modified Files:
--------------
    pgsql-server/contrib/cube:
        cube.c (r1.16 -> r1.17)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/cube/cube.c.diff?r1=1.16&r2=1.17)
        cubeparse.y (r1.12 -> r1.13)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/cube/cubeparse.y.diff?r1=1.12&r2=1.13)
        cubescan.l (r1.8 -> r1.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/cube/cubescan.l.diff?r1=1.8&r2=1.9)
    pgsql-server/contrib/seg:
        seg.c (r1.10 -> r1.11)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/seg/seg.c.diff?r1=1.10&r2=1.11)
        segparse.y (r1.13 -> r1.14)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/seg/segparse.y.diff?r1=1.13&r2=1.14)
        segscan.l (r1.7 -> r1.8)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/contrib/seg/segscan.l.diff?r1=1.7&r2=1.8)