psqlodbc - psqlodbc: Remove some compiler warnings thanks to Zoltan

Log Message:
-----------
Remove some compiler warnings thanks to Zoltan Boszormenyi.

Modified Files:
--------------
    psqlodbc:
        bind.c (r1.71 -> r1.72)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/bind.c.diff?r1=1.71&r2=1.72)
        convert.c (r1.172 -> r1.173)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/convert.c.diff?r1=1.172&r2=1.173)
        descriptor.c (r1.12 -> r1.13)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/descriptor.c.diff?r1=1.12&r2=1.13)
        drvconn.c (r1.58 -> r1.59)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/drvconn.c.diff?r1=1.58&r2=1.59)
        odbcapi30.c (r1.44 -> r1.45)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/odbcapi30.c.diff?r1=1.44&r2=1.45)
        pgapi30.c (r1.46 -> r1.47)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/pgapi30.c.diff?r1=1.46&r2=1.47)
        version.h (r1.123 -> r1.124)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h.diff?r1=1.123&r2=1.124)