fixes building in Mac OS X (I hope so)

src/archutils/Darwin/SpecialDirs.cpp

@@ -1,6 +1,9 @@
 #include "global.h"
 #include "SpecialDirs.h"
 #include "ProductInfo.h"
+#include <CoreServices/CoreServices.h>
+#include <IOKit/IOKitLib.h>
+#include "RageUtil.h"
 
 static void PathForFolderType( char dir[PATH_MAX], OSType folderType )
 {
@@ -19,6 +22,8 @@ RString SpecialDirs::GetDesktopDir()
 	return RString( ssprintf("%s/" PRODUCT_ID, dir) );
 }
 
+
+
 /*
  * (c) 2011 AJ Kelly
  * All rights reserved.

src/archutils/Darwin/SpecialDirs.h

@@ -1,7 +1,10 @@
 #ifndef SPECIAL_DIRS_H
 #define SPECIAL_DIRS_H
 
-RString SpecialDirs::GetDesktopDir();
+namespace SpecialDirs
+{
+	RString GetDesktopDir();
+};
 
 #endif
 /*