psqlodbc - psqlodbc: Suppress some compiler warnings.

Log Message:
-----------
Suppress some compiler warnings.

Modified Files:
--------------
psqlodbc:
connection.c (r1.172 -> r1.173)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/connection.c.diff?r1=1.172&r2=1.173)
dlg_specific.c (r1.82 -> r1.83)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/dlg_specific.c.diff?r1=1.82&r2=1.83)
info.c (r1.152 -> r1.153)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/info.c.diff?r1=1.152&r2=1.153)
parse.c (r1.68 -> r1.69)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/parse.c.diff?r1=1.68&r2=1.69)