Fix for initdb translation

Attached is an applied fix for initdb translation for po/zh_TW.po.
Without it I get these errors:

gmake[3]: Entering directory
`/usr/var/local/src/gen/pgsql/CURRENT/pgsql/src/bin/initdb'
msgfmt -o po/de.mo po/de.po
msgfmt -o po/fr.mo po/fr.po
msgfmt -o po/it.mo po/it.po
msgfmt -o po/pt_BR.mo po/pt_BR.po
msgfmt -o po/ru.mo po/ru.po
msgfmt -o po/sv.mo po/sv.po
msgfmt -o po/zh_TW.mo po/zh_TW.po
po/zh_TW.po:199: `msgid' and `msgstr' entries do not both end with '\n'
po/zh_TW.po:260: illegal control sequence
po/zh_TW.po:471: illegal control sequence
found 3 fatal errors

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073