Add TrueCrypt 7.1a MacOSX/Linux specific source files.

src/Volume/VolumeSlot.h

@@ -0,0 +1,19 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#ifndef TC_HEADER_Volume_VolumeSlot
+#define TC_HEADER_Volume_VolumeSlot
+
+#include "Platform/Platform.h"
+
+namespace TrueCrypt
+{
+	typedef uint32 VolumeSlotNumber;
+}
+
+#endif // TC_HEADER_Volume_VolumeSlot