diff --git a/preprocessor b/preprocessor
index f63449c5a6205e1a040b91cf09c2f1529ab84390..1d31e00b818708a9f895e0b20e43cc8a83acc2ce 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit f63449c5a6205e1a040b91cf09c2f1529ab84390
+Subproject commit 1d31e00b818708a9f895e0b20e43cc8a83acc2ce