Temporarily drop M4A files since they don't yet play.

diff -X dontdiff -urNp tunesbrowser-0.1.7-pre2/daap.c tunesbrowser-dsd/daap.c
--- tunesbrowser-0.1.7-pre2/daap.c	2004-11-22 11:36:55.000000000 +0000
+++ tunesbrowser-dsd/daap.c	2004-11-24 17:56:35.116519808 +0000
@@ -486,6 +486,7 @@ static void getSongItems(Shost *host, in
 {
     int i;
     int size;
+    unsigned long m4a_dropped = 0;
 
     if (currentSongItems) free(currentSongItems);
 
@@ -499,9 +500,15 @@ static void getSongItems(Shost *host, in
 
     for (i = 0; i < currentSongItemCount; i++)
     {
+        if (strcmp(currentSongItems[i].songformat, "m4a") == 0)
+        {
+            m4a_dropped++;
+            continue;
+        }
         artistalbumview_add(currentSongItems[i].songartist,
                             currentSongItems[i].songalbum);
     }
+    g_print("Dropped %d m4a items.\n", m4a_dropped);
     qsort(currentSongItems, currentSongItemCount,
           sizeof(DAAP_ClientHost_DatabaseItem),
           compare_songitems);
@@ -520,6 +527,9 @@ static void draw_songs()
         char year[11] = {0};
         char disc[11] = {0};
 
+        if (strcmp(currentSongItems[i].songformat, "m4a") == 0)
+            continue;
+
         if (selected_artist && (!currentSongItems[i].songartist ||
                 strcasecmp(selected_artist, currentSongItems[i].songartist)) != 0)
             continue;