Don't include Foreach.h in RageUtil.h which does not use it. Instead, include it in the individual files that actually use it.

stepmania/src/ExportStrings.cpp

@@ -8,6 +8,7 @@
 #include "LuaManager.h"
 #include "ProductInfo.h"
 #include "DateTime.h"
+#include "Foreach.h"
 
 const RString INSTALLER_LANGUAGES_DIR = "Themes/_Installer/Languages/";