diff --git a/preprocessor b/preprocessor
index 4e0682ef7e1dff3807fe2e47f521a7340d0090f1..52d4da2d0fd313c23dc12d53af8ed6f859c0c23b 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit 4e0682ef7e1dff3807fe2e47f521a7340d0090f1
+Subproject commit 52d4da2d0fd313c23dc12d53af8ed6f859c0c23b