psqlodbc - psqlodbc: Now SQLDescribeCol() can detect the changes of

Log Message:
-----------
Now SQLDescribeCol() can detect the changes of column type or size.

Modified Files:
--------------
    psqlodbc:
        catfunc.h (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/catfunc.h?r1=1.6&r2=1.7)
        descriptor.c (r1.14 -> r1.15)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/descriptor.c?r1=1.14&r2=1.15)
        descriptor.h (r1.22 -> r1.23)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/descriptor.h?r1=1.22&r2=1.23)
        info.c (r1.166 -> r1.167)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/info.c?r1=1.166&r2=1.167)
        parse.c (r1.76 -> r1.77)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/parse.c?r1=1.76&r2=1.77)
        version.h (r1.193 -> r1.194)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h?r1=1.193&r2=1.194)