Update language files with "make update-po"

git-svn-id: http://svn.osgeo.org/postgis/trunk@13069 b70326c6-7e19-0410-871a-916f4a2858ee
Fix malformed <ulink> and </ulink> tags in po_BR translation

git-svn-id: http://svn.osgeo.org/postgis/trunk@13070 b70326c6-7e19-0410-871a-916f4a2858ee
Fix unclosed tag in italian translation

git-svn-id: http://svn.osgeo.org/postgis/trunk@13071 b70326c6-7e19-0410-871a-916f4a2858ee