prefix - prefix: 8.3 compat now ok, using VARDATA_ANY() and

Log Message:
-----------
8.3 compat now ok, using VARDATA_ANY() and PG_GETARG_TEXT_PP()

Modified Files:
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prefix:
prefix.c (r1.11 -> r1.12)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/prefix/prefix/prefix.c.diff?r1=1.11&r2=1.12)