diff --git a/preprocessor b/preprocessor
index d4e20c7ec..c6ad212c8 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit d4e20c7ec4c31befc489ffcca945bc7916a30b3c
+Subproject commit c6ad212c8a068f68b12b161b7d0301c3ef1619a9