plz add ko in nls.mk for pg_dump

diff -p nls.mk nls.mk.orig
*** nls.mk      Thu Jan 20 01:48:42 2005
--- nls.mk.orig Thu Jan 20 01:48:16 2005
***************
*** 1,6 ****
  # $PostgreSQL: pgsql/src/bin/pg_dump/nls.mk,v 1.18 2004/11/27 22:44:13 petere Exp $
  CATALOG_NAME  := pg_dump
! AVAIL_LANGUAGES       := cs de es fr it ko nb pt_BR ro ru sk sl sv tr zh_CN zh_TW
  GETTEXT_FILES := pg_dump.c common.c pg_backup_archiver.c pg_backup_custom.c \
                     pg_backup_db.c pg_backup_files.c pg_backup_null.c \
                     pg_backup_tar.c pg_restore.c pg_dumpall.c \
--- 1,6 ----
  # $PostgreSQL: pgsql/src/bin/pg_dump/nls.mk,v 1.18 2004/11/27 22:44:13 petere Exp $
  CATALOG_NAME  := pg_dump
! AVAIL_LANGUAGES       := cs de es fr it nb pt_BR ro ru sk sl sv tr zh_CN zh_TW
  GETTEXT_FILES := pg_dump.c common.c pg_backup_archiver.c pg_backup_custom.c \
                     pg_backup_db.c pg_backup_files.c pg_backup_null.c \
                     pg_backup_tar.c pg_restore.c pg_dumpall.c \