orafce - orafce: fixed a issues related to 9.1 collations fixed a gcc

Log Message:
-----------
fixed a issues related to 9.1 collations
fixed a gcc 4.5.1 warnings

Modified Files:
--------------
    orafce:
        assert.c (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/assert.c?r1=1.6&r2=1.7)
        file.c (r1.22 -> r1.23)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/file.c?r1=1.22&r2=1.23)
        others.c (r1.23 -> r1.24)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/others.c?r1=1.23&r2=1.24)
        pipe.c (r1.27 -> r1.28)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/pipe.c?r1=1.27&r2=1.28)
        plunit.c (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plunit.c?r1=1.9&r2=1.10)
        plvsubst.c (r1.12 -> r1.13)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvsubst.c?r1=1.12&r2=1.13)