Thread: pgsql: Add a validator function for plperl.

Log Message:
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Add a validator function for plperl.  Andrew Dunstan

Modified Files:
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    pgsql/src/bin/scripts:
        createlang.c (r1.16 -> r1.17)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/scripts/createlang.c.diff?r1=1.16&r2=1.17)
    pgsql/src/pl/plperl:
        plperl.c (r1.77 -> r1.78)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/pl/plperl/plperl.c.diff?r1=1.77&r2=1.78)