psqlodbc - psqlodbc: Avoid backend crash caused by Execute Requests for

Log Message:
-----------
Avoid backend crash caused by Execute Requests for committed
holdable cursors.

Modified Files:
--------------
psqlodbc:
qresult.c (r1.66 -> r1.67)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/qresult.c.diff?r1=1.66&r2=1.67)
results.c (r1.98 -> r1.99)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/results.c.diff?r1=1.98&r2=1.99)
statement.c (r1.123 -> r1.124)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/statement.c.diff?r1=1.123&r2=1.124)