Add missing 3rd System reference

diff --git a/mcs/class/Makefile b/mcs/class/Makefile
index d1b0fe6c90639f148a6acd50f966fafad7d0642e..3a5a153bff2571199d874a9ad1f80fc1f1a91fe9 100644 (file)
--- a/mcs/class/Makefile
+++ b/mcs/class/Makefile
@@ -173,6 +173,7 @@ monotouch_runtime_dirs := \
        Mono.Posix \
        System.Core \
        Mono.Security                   \
+       System \
        System.Security                 \
        System.Configuration            \
        System                          \