psqlodbc - psqlodbc: Let SC_forget_unnamed() clear the result in case

Log Message:
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Let SC_forget_unnamed() clear the result in case the statement is not
executed yet. It would fix the bug reported by Silvio Brandani.

Modified Files:
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psqlodbc:
statement.h (r1.86 -> r1.87)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/statement.h?r1=1.86&r2=1.87)