psqlodbc - psqlodbc: 1) Fix memory leaks on connection failure (Shouji

Log Message:
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1) Fix memory leaks on connection failure (Shouji morimoto).
2) Suppress some compilation errors and warnings.

Modified Files:
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psqlodbc:
connection.c (r1.184 -> r1.185)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/connection.c?r1=1.184&r2=1.185)
loadlib.c (r1.18 -> r1.19)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/loadlib.c?r1=1.18&r2=1.19)
socket.c (r1.67 -> r1.68)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/socket.c?r1=1.67&r2=1.68)
version.h (r1.149 -> r1.150)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h?r1=1.149&r2=1.150)