Fix the build.

diff --git a/external/cecil b/external/cecil
index 54e0a50464edbc254b39ea3c885ee91ada730705..89cfb1d4079002394010fd351628ad057c94422f 160000 (submodule)
--- a/external/cecil
+++ b/external/cecil
@@ -1 +1 @@
-Subproject commit 54e0a50464edbc254b39ea3c885ee91ada730705
+Subproject commit 89cfb1d4079002394010fd351628ad057c94422f

diff --git a/external/ikvm b/external/ikvm
index 246083db06aa62f1999ddd0dcffb816b667f1cdc..b21af5015e658c102be86d25ccb02a2f6a895fb5 160000 (submodule)
--- a/external/ikvm
+++ b/external/ikvm
@@ -1 +1 @@
-Subproject commit 246083db06aa62f1999ddd0dcffb816b667f1cdc
+Subproject commit b21af5015e658c102be86d25ccb02a2f6a895fb5