As you can see, the .mo file have included the right translated message:
ricardo@kadath:~$ strings -eS /usr/share/locale-langpack/es/LC_MESSAGES/postgres-8.4.mo | grep "autentificación password" la autentificación password falló para el usuario «%s»
As you can see, the .mo file have included the right translated message:
ricardo@kadath:~$ strings -eS /usr/share/ locale- langpack/ es/LC_MESSAGES/ postgres- 8.4.mo | grep "autentificación password"
la autentificación password falló para el usuario «%s»