psqlodbc - psqlodbc: Fix a bug which doesn't free connection list

Log Message:
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Fix a bug which doesn't free connection list properly.

Modified Files:
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psqlodbc:
connection.c (r1.161 -> r1.162)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/connection.c.diff?r1=1.161&r2=1.162)
environ.c (r1.69 -> r1.70)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/environ.c.diff?r1=1.69&r2=1.70)
version.h (r1.104 -> r1.105)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/psqlodbc/psqlodbc/version.h.diff?r1=1.104&r2=1.105)