Thread: pgsql: Fix segfault when xpath_list function is applied to an invalid

pgsql: Fix segfault when xpath_list function is applied to an invalid

From
tgl@svr1.postgresql.org (Tom Lane)
Date:
Log Message:
-----------
Fix segfault when xpath_list function is applied to an invalid document.
John Gray

Modified Files:
--------------
    pgsql/contrib/xml2:
        xpath.c (r1.5 -> r1.6)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/xml2/xpath.c.diff?r1=1.5&r2=1.6)