Log Message:
-----------
Return the error message from libpq on connection failure.
Modified Files:
--------------
psqlodbc:
connection.c (r1.121 -> r1.122)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/connection.c.diff?r1=1.121&r2=1.122)