diff --git a/preprocessor b/preprocessor
index bb589042a94cf227a00756d7224949bff620acd9..ef3609b6696c2e76ae30796c963025cd509f558d 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit bb589042a94cf227a00756d7224949bff620acd9
+Subproject commit ef3609b6696c2e76ae30796c963025cd509f558d