Update NEWS for 2.4.3
Update NEWS for 2.4.3

Backport from maint-2.4 branch.

PKRoma/poedit,nawawi/poedit,PKRoma/poedit,nawawi/poedit,vslavik/poedit,PKRoma/poedit,alexhenrie/poedit,nawawi/poedit,alexhenrie/poedit,alexhenrie/poedit,nawawi/poedit,PKRoma/poedit,nawawi/poedit,PKRoma/poedit,alexhenrie/poedit,vslavik/poedit,alexhenrie/poedit,vslavik/poedit,vslavik/poedit,vslavik/poedit