merge r7781 from branch 2.1 to trunk

bug 2035 fixed: avoid sending multiple line error code in HTTP header. This
was breaking the JSON parsing on pwg.images.addComment response from Piwigo
because of an raw HTML warning.



git-svn-id: http://piwigo.org/svn/trunk@7782 68402e56-0260-453c-a942-63ccdbb3a9ee

include/ws_functions.inc.php

@@ -580,7 +580,7 @@ SELECT DISTINCT image_id
   {
     case 'reject':
       array_push($infos, l10n('Your comment has NOT been registered because it did not pass the validation rules') );
-      return new PwgError(403, implode("\n", $infos) );
+      return new PwgError(403, implode("; ", $infos) );
     case 'validate':
     case 'moderate':
       $ret = array(