preprepare - preprepare: Support at_init preparing

Log Message:
-----------
Support at_init preparing (local_preload_librairies) from 8.4

Modified Files:
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preprepare:
README (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/preprepare/preprepare/README?r1=1.1&r2=1.2)
pre_prepare.c (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/preprepare/preprepare/pre_prepare.c?r1=1.2&r2=1.3)
preprepare/debian:
changelog (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/preprepare/preprepare/debian/changelog?r1=1.1&r2=1.2)