Log Message:
-----------
Remove useless double assignment
GCC 4.5 complained about it.
Modified Files:
--------------
    pgsql/src/interfaces/ecpg/preproc:
        ecpg.addons (r1.17 -> r1.18)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/ecpg.addons?r1=1.17&r2=1.18)