stackbuilder - wizard: Fix some compiler warnings.

Log Message:
-----------
Fix some compiler warnings.

Modified Files:
--------------
    wizard/include/images:
        StackBuilder.xpm (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/include/images/StackBuilder.xpm?r1=1.2&r2=1.3)
        background.xpm (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/include/images/background.xpm?r1=1.3&r2=1.4)
        bullet.xpm (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/include/images/bullet.xpm?r1=1.2&r2=1.3)
        checked.xpm (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/include/images/checked.xpm?r1=1.1&r2=1.2)
        disabled.xpm (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/include/images/disabled.xpm?r1=1.1&r2=1.2)
        mirror.xpm (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/include/images/mirror.xpm?r1=1.1&r2=1.2)
        unchecked.xpm (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/include/images/unchecked.xpm?r1=1.1&r2=1.2)