Log Message:
-----------
Fix contrib/xml2 makefile to not override CFLAGS, and in passing make it
auto-configure properly for libxslt present or not.

Modified Files:
--------------
    pgsql/contrib:
        Makefile (r1.82 -> r1.83)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/Makefile?r1=1.82&r2=1.83)
    pgsql/contrib/xml2:
        Makefile (r1.11 -> r1.12)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/xml2/Makefile?r1=1.11&r2=1.12)
        xslt_proc.c (r1.11 -> r1.12)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/xml2/xslt_proc.c?r1=1.11&r2=1.12)
    pgsql/doc/src/sgml:
        xml2.sgml (r1.4 -> r1.5)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/xml2.sgml?r1=1.4&r2=1.5)

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Next:	From: Tom Lane	Date: 2008-05-08 16:49:48
	Subject: pgsql: Fix contrib/xml2 makefile to not override CFLAGS, and in passing
Previous:	From: Magnus Hagander	Date: 2008-05-08 16:08:02
	Subject: Re: pgsql: Make the new pg_stat_get_activity use OUT parameters, so you