psqlodbc - psqlodbc: Resolve the trouble introduced by the change

Log Message:
-----------
Resolve the trouble introduced by the change
*Return 0 for the column size when the size of numeric items are unknown*
reported by Marco Gaiarin.

Modified Files:
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psqlodbc:
pgtypes.c (r1.95 -> r1.96)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/pgtypes.c?r1=1.95&r2=1.96)
version.h (r1.187 -> r1.188)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h?r1=1.187&r2=1.188)