[branche 2.5] Language_- check 2.5.2

git-svn-id: http://piwigo.org/svn/branches/2.5@22334 68402e56-0260-453c-a942-63ccdbb3a9ee
[branche 2.5] Language_- check 2.5.2

git-svn-id: http://piwigo.org/svn/branches/2.5@22380 68402e56-0260-453c-a942-63ccdbb3a9ee
[branche 2.5] Language_- check 2.5.2

git-svn-id: http://piwigo.org/svn/branches/2.5@22381 68402e56-0260-453c-a942-63ccdbb3a9ee