Thread: pgsql-server: Cosmetic PL/PgSQL fix: declare the second parameter

Log Message:
-----------
Cosmetic PL/PgSQL fix: declare the second parameter plpgsql_dstring_append
as a const char *, so that we don't need to cast away a const in gram.y

Modified Files:
--------------
    pgsql-server/src/pl/plpgsql/src:
        gram.y (r1.61 -> r1.62)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/pl/plpgsql/src/gram.y.diff?r1=1.61&r2=1.62)
        pl_funcs.c (r1.36 -> r1.37)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/pl/plpgsql/src/pl_funcs.c.diff?r1=1.36&r2=1.37)
        plpgsql.h (r1.54 -> r1.55)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/pl/plpgsql/src/plpgsql.h.diff?r1=1.54&r2=1.55)