Sync PostGIS (7.x-1.1) - en to lv translation catalogue (2 entries)

en: Cannot add index %name to table %table: table doesn't exist.
lv: Nevar pievienot indeksu %name tabulai %table: tabula neeksistē.

en: Cannot add index %name to table %table: index already exists.
lv: Nevar pievienot indeksu %name tabulai %table: indekss jau eksistē.
