[COMMITTERS] pgsql: Add sanity check to ensure delimiter and quote are different in

[Andrew Dunstan]

Log Message:
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Add sanity check to ensure delimiter and quote are different in CSV mode

Modified Files:
--------------
    pgsql/src/backend/commands:
        copy.c (r1.293 -> r1.294)
        
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/copy.c?r1=1.293&r2=1.294)

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