orafce - orafce: removing ora_make_text function and using more

Log Message:
-----------
removing ora_make_text function and using more standardised CStringGetTextP

Modified Files:
--------------
    orafce:
        convert.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/convert.c.diff?r1=1.1&r2=1.2)
        orafunc.h (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/orafunc.h.diff?r1=1.9&r2=1.10)
        plvstr.c (r1.10 -> r1.11)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvstr.c.diff?r1=1.10&r2=1.11)
        plvsubst.c (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/plvsubst.c.diff?r1=1.3&r2=1.4)
        utility.c (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/orafce/orafce/utility.c.diff?r1=1.5&r2=1.6)