Remove file extension for playlists from virtual_path during scan and

update db to v19 removing the file extensions from the stored playlists

An existing file extension in the virtual path leads to wrong entries in
MPDroid (and mpd does also not return the file extension).

src/filescanner_playlist.c

@@ -167,6 +167,9 @@ scan_playlist(char *file, time_t mtime)
 
       pli->path = strdup(file);
       snprintf(virtual_path, PATH_MAX, "/file:%s", file);
+      ptr = strrchr(virtual_path, '.');
+      if (ptr)
+	*ptr = '\0';
       pli->virtual_path = strdup(virtual_path);
 
       ret = db_pl_add(pli, &pl_id);