varint - varint: add some simple regression tests for arithmetic ops.

Log Message:
-----------
add some simple regression tests for arithmetic ops.

Modified Files:
--------------
    varint:
        Makefile (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/Makefile.diff?r1=1.1&r2=1.2)

Added Files:
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    varint/expected:
        addition.out (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/expected/addition.out?rev=1.1&content-type=text/x-cvsweb-markup)
        division.out (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/expected/division.out?rev=1.1&content-type=text/x-cvsweb-markup)
        init.out (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/expected/init.out?rev=1.1&content-type=text/x-cvsweb-markup)
        multiplication.out (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/expected/multiplication.out?rev=1.1&content-type=text/x-cvsweb-markup)
        subtraction.out (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/expected/subtraction.out?rev=1.1&content-type=text/x-cvsweb-markup)
    varint/sql:
        addition.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/sql/addition.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        division.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/sql/division.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        init.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/sql/init.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        multiplication.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/sql/multiplication.sql?rev=1.1&content-type=text/x-cvsweb-markup)
        subtraction.sql (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/varint/varint/sql/subtraction.sql?rev=1.1&content-type=text/x-cvsweb-markup)