psqlodbc - psqlodbc: get count of binding parameters from stmt it avoid

Log Message:
-----------
get count of binding parameters from stmt
it avoid bad data_at_exec parameters

Modified Files:
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psqlodbc:
convert.c (r1.134 -> r1.135)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/convert.c.diff?r1=1.134&r2=1.135)
execute.c (r1.74 -> r1.75)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/execute.c.diff?r1=1.74&r2=1.75)