remove last ',' and trim some fields

Lib/db/AudioBook.php

@@ -78,7 +78,7 @@ class AudioBook extends DbMapping
 
         $sql = sprintf("SELECT DISTINCT
                             Notices.[NoticeID] AS id,
-                            Notices.[Title] AS title,
+                            LTRIM(RTRIM(Notices.[Title])) AS title,
                             Notices.[Author] AS author,
                             LTRIM(RTRIM(Notices.[NoticeNr])) AS code,
                             Fields.[520] AS summary,
@@ -98,7 +98,7 @@ class AudioBook extends DbMapping
                             Notices.[coverdisplay],
                             Fields.[856u] AS link,
                             Fields.[856z] AS linkTitle,
-                            Notices.[MediaType1Code] AS mediaType,
+                            LTRIM(RTRIM(Notices.[MediaType1Code])) AS mediaType
                         FROM Notices
                         INNER JOIN Codes As GenreCode ON Notices.MediaType2Code = GenreCode.Code AND GenreCode.Type = 2
                         INNER JOIN Codes AS ProducerCode ON Notices.userdefined3code = ProducerCode.Code AND ProducerCode.Type=6