Fixed warnings on geekgadgets compiler.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7559 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kits/midi/MidiStore.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002-2003 Matthijs Hollemans
+ * Copyright (c) 2002-2004 Matthijs Hollemans
  * Copyright (c) 2002 Jerome Leveque
  * Copyright (c) 2002 Paul Stadler
  *
@@ -924,7 +924,7 @@ void BMidiStore::WriteTrack()
 	uint32 oldTime;
 	uint32 newTime;
 
-	for (int32 t = 0; t < CountEvents(); ++t)
+	for (uint32 t = 0; t < CountEvents(); ++t)
 	{
 		BMidiEvent* event = EventAt(t);