Log Message:
-----------
Fix cast-away-const problem as well as bogus calculation of required buffer size.
Modified Files:
--------------
pgsql/src/interfaces/ecpg/ecpglib:
misc.c (r1.45 -> r1.46)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/ecpglib/misc.c?r1=1.45&r2=1.46)