Log Message:-----------update ChangeLog for the v1.2c release
Modified Files:-------------- libpqtypes: ChangeLog (r1.5 -> r1.6) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/ChangeLog.diff?r1=1.5&r2=1.6)
