Thread: pgsql: Cursor names in the backend are not case-sensitve.

Log Message:
-----------
Cursor names in the backend are not case-sensitve. This change makes sure that
ecpg also does not regard cursor names as case-sensitive.

Thanks to Zoltan Boszormenyi for the patch.

Modified Files:
--------------
    pgsql/src/interfaces/ecpg/preproc:
        ecpg.addons (r1.19 -> r1.20)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/ecpg.addons?r1=1.19&r2=1.20)
        ecpg.header (r1.16 -> r1.17)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/ecpg.header?r1=1.16&r2=1.17)
        ecpg.trailer (r1.26 -> r1.27)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/ecpg.trailer?r1=1.26&r2=1.27)