MPD: Fix typo with list grouping.

Author: avuton

JMPDComm/src/main/java/org/a0z/mpd/MPD.java

@@ -707,7 +707,7 @@ public List<Album> getAllAlbums(final boolean trackCountNeeded) throws MPDServer
 
         final List<Album> albums;
         // Use MPD 0.19's album grouping feature if available.
-        if (mpdConnection.isProtocolVersionSupported(0, 18)) {
+        if (mpdConnection.isProtocolVersionSupported(0, 19)) {
             albums = listAllAlbumsGrouped(false);
         } else {
             final List<String> albumNames = listAlbums();