Made ecpglib use translated messages.
Made ecpglib use translated messages.

Bug reported and fixed by Chen Huajun <chenhj@cn.fujitsu.com>.

snaga/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL,arcivanov/postgres-xl,arcivanov/postgres-xl,arcivanov/postgres-xl,kmjungersen/PostgresXL,arcivanov/postgres-xl,postmind-net/postgres-xl,postmind-net/postgres-xl,snaga/postgres-xl,snaga/postgres-xl,postmind-net/postgres-xl,postmind-net/postgres-xl,kmjungersen/PostgresXL,arcivanov/postgres-xl,snaga/postgres-xl,snaga/postgres-xl,kmjungersen/PostgresXL,kmjungersen/PostgresXL,postmind-net/postgres-xl